which of the following statements about histograms are true?

The weighted average of the possible values that a random variable X can assume, where the weights are the probabilities of occurrence of those values, is referred to as the: The lottery commission has designed a new instant lottery game. So, the height of the bars determine how many we're working with then? When income increases, expenditure on imports tend to increase. The spread of histogram A is the same as the spread of histogram B. what it means is the numbers that are between and are 30 and 59. Ya thats true *had t, Posted 5 years ago. D. 1, 2, and 3, Hemo-Endocrine Study Guide - Makenna, Kelsy,, Charles E. Leiserson, Clifford Stein, Ronald L. Rivest, Thomas H. Cormen, Information Technology Project Management: Providing Measurable Organizational Value, Computer Organization and Design MIPS Edition: The Hardware/Software Interface, Starting Out with C++ from Control Structures to Objects, Godfrey Muganda, Judy Walters, Tony Gaddis. A. Stemplots are useful both for quantitative and categorical data sets. If the radiographer is unable to achieve a short OID because of the structure of the body part or patient condition, which of the following adjustments can be made to minimize magnification distortion? O I only O Il only O III only O I and III only 8. Oc. However, in the histogram for set B, one sees that 95% of the data are not between 140 and 160, and 99.7% are not between 135 and 165. The relative frequency of a class in a histogram is computed by. Expert Answer 100% (7 ratings) C. The distribution is approximately normal. A. Which of the following best describes a component bar chart? 3. density d. All of these choices are true. Learn how to read and interpret histograms, which summarize data by sorting it into buckets. O Histograms are more widely used than stemplots or dotplots because histograms display the values of individual observation. All Symmetric histograms have single peak. Question number 3 what kinds of tools do you think Mesoamrica civilizations created with the resources they had? 31 C. 44 D. 59 E. 61. Each bar typically covers a range of numeric values called a bin or class; a bar's height indicates the frequency of data points with a value within the corresponding bin. The true options about the histograms are: (1) Data are organized in equal intervals. Group 2 So basically on a histogram, it's a way to graph ranges of data. If X and Y are random variables with E(X) =7 and E(Y) = 3, then E(2X + 3Y) is: Statistical Techniques in Business and Economics, Douglas A. Lind, Samuel A. Wathen, William G. Marchal, Mathematical Statistics with Applications, Dennis Wackerly, Richard L. Scheaffer, William Mendenhall, The Practice of Statistics for the AP Exam, Daniel S. Yates, Daren S. Starnes, David Moore, Josh Tabor, Essentials of Modern Business Statistics with Microsoft Office Excel, David R. Anderson, Dennis J. Sweeney, Thomas A. Williams. The first quartile can be. b. The proportion of STEM status of students who identify as, A: Box plot:Box plot is useful to compare the data graphically and it is most appropriate method to, A: Two sample z test: Let's see. 1. Use your browser's back button to return to your test results. All normal curves are bell-shaped and symmetric. The histogram above shows a frequency distribution for time to . Oa. It is the average of given set of numbers. G) Histograms are used to display qualitative, categorical data. quanti. A histogram is a summary of interval data. The number of class intervals in a frequency distribution must be the same as the number of observations. E. Stems may be skipped if there is no data value for a particular stem. Which of the following statements about pie charts is false? As such, it does not represent categorical data. 9 200 mA, 0.06 second Transcribed image text: Which of the following statements about histograms are true? A histogram titled Science Grades has grades on the x-axis and number of students on the y-axis. Which of the following statements about histograms is true? O Unlike other graphs, histogram axes do not need to be labeled. How much A histogram is a bar graph in which the horizontal scale represents classes of data values and the vertical scale represents frequencies. A: As per our guidelines, we are supposed to answer the only questions. Give the domain of each function. The histograms are similar to bar graphs but histograms groups numbers into ranges. while y will have a frequency. 2. change the exposed silver bromide crystals to black metallic silver Which of the following statements about the two histograms above is true? Which one is FALSE? c- The classes in a histogram cover the complete range of how many pies are between 30 and 59, including 30 and 59? c. The classes in a histogram cover the complete range of observations. Then you count them so for example, 5 pies have more than 30 to 59 cherries and so we create a histogram when you create a histogram, you make this magenta bar go up to 5 so that's how you would construct this histogram that's what the pies at different cherry levels histogram is telling us. For bell-shaped data, about 95% of the values fall within two standard deviations of the mean and 99.7% fall within three. a. a- A histogram is a summary of interval data. Histograms of categorical variables can pinpoint clusters and gaps. Direct link to 101Math's post Sal's pie drawings are am, Posted 6 years ago. a. 5 when the graph shows that the number of pies and the number of cherries, 0-29, 30-59 does 30-59 means that that eight pies have 30-59, or it has 19, because 59-30=19. Which of the following statements about histograms is true? Which of the following statements about histograms is true? All of these choices are true. Then you can ask more a more nuance question. 3 only Who is going to go through a pie and count the exact amount of cherries in that specific pie? Histograms are used to represent quantitative data. Where data is divided into stem and, A: The given stem-and-leaf plot is A: We want to tell you which one is the correct choice. D. The distribution cannot be symmetric. Direct link to Achintya's post Yup! The x will typically have a range of values while they will have a frequency. The median values for dataset A and dataset B are both in the median range of 30 and 40, therefore; Another obvious information that can be seen and which must be true is the range; The range is the difference between the largest number and the smallest number; The range of the histogram of data set A = 60 - 10 = 50, The range of the histogram of data set B = 60 - 10 = 50, This site is using cookies under cookie policy . One of them is false. III. The five numbers used to create a box-and-whisker plot are: Min: 10 10 Q1 Q 1: 15 15 Med: 95 95 Q3 Q 3: 490 490 Max: 790 790 The following graph shows the box-and-whisker plot. b- A histogram is made of a series of intervals, called classes. Your answer: O Two students working with the same set of data may come up with histograms that look different. and then how many pies have at least 120 and at most 149? The class with the largest number of observations. O Displaying outliers is less problematic when using histograms than when using stemplots. You just want to get a general sense of things. Out of 9,799 whistles that a company manufactured, some were rejected for shipment to stores because they did not pass the quality control standards of the company. A random variable that can only assume a countable number of values. commissi The distribution has a region between two data values where no data were observed. On campus F) The heights of the bars represent class frequencies. i still don't under stand, this video doesn't help. You take each pie in your store, and you count the number of cherries on it. >. Pie charts can only be used for nominal data. 46.900 11. A histogram generally has no gaps between rectangles, because it is a graphical display of a numerical variable and the horizontal axis follows a number scale. The proportion of observations that fall into that class. The classes in a histogram cover the complete range of observations. Its shape resembles a histogram turned on its side. 1 only Which of the following is not an approach to assigning probabilities? 1. remove the unexpected silver bromide crystals A: Mean O Displaying outliers is less problematic when using histograms than when using stemplots. Find the rate of change of the population at t=2. The mean of set A looks to be greater than the mean of set B. C. The mean of set B looks to be greater than the mean of set A. D. Both sets have roughly the same variance. Direct link to Kblast79's post What Sal is doing is that, Posted 6 years ago. D. 1, 2, and 3, In digital imaging, mAs selection has an effect on B. Which of the following statements about histograms is The heights of the bars represent class frequencies. All calculations are permitted on nominal (categorical) data. I. A. Which of the following statements about shapes of histograms is true? Today your going to read about Mesoamrica and first read the passage and then answer. STAT 351 Ch-1 (MCQ, T/F, Fill in the blanks,, IIBA-ECBA Study Guide "Basic Knowledge" - Cha, IIBA-ECBA Study Guide "Understands" - Chapter, IIBA-ECBA Study Guide - "Follow Rules" - Chap, The Practice of Statistics for the AP Exam, Daniel S. Yates, Daren S. Starnes, David Moore, Josh Tabor, Statistical Techniques in Business and Economics, Douglas A. Lind, Samuel A. Wathen, William G. Marchal, Daniel S. Yates, Daren S. Starnes, David Moore, Introduction to Statistics and Data Analysis. Both sets are roughly symmetric around 150 and so both should have means about 150. For real. Off campus E. The standard deviation of set B is greater than 5. A histogram may be used as a graphical display of categorical data. Direct link to nicholask7297's post So, the height of the bar, Posted 2 years ago. Experts are tested by Chegg as specialists in their subject area. Which of the following statements about histograms is true? 1. a- A histogram is a summary of interval data. Which of the following represents a graphical presentation of interval data? Which of the following is true about a stem-and-leaf display? A: Check for outliers. Set A is much more spread out than set B, and so set A has the greater variance. Which of the following is the correct order of radiographic film processing? So using this histogram we can answer really interest question, which would say how many more pies do we have that have 60-89 cherries than 120 to 149 cherries? Which of the following is the best type of chart for illustrating the GDP of Australia from 1960 to 2010? An increase in the kVp applied to the x-ray tube increases the. A: This data set shows how much miles per gallon does different cars gives. *AP & Advanced Placement Program are registered trademarks of the College Board, which was not involved in the production of, and does not endorse this site. 1 and 2 only As you have posted multiple sub-parts, we have helped, A: The following information has been given: Question: 8) Which of the following statements about histograms are true? E) Histograms are used to display qualitative, categorical data. D. 100 mA, 0.12 second, spatial resolution/detail can be improved by decreasing A. Which of the following statements about histograms is/are true? Which of the following best describes a bar chart? A histogram has gaps between the bars. b. observations, We know that Histogram is an another way to display the A) A histogram has gaps between the bars. A histogram shows bars representing numerical values by range of value. So what you're curious about is what is the distribution, how many of different types of pies do you have? c. It provides an organized way to depict interval data. Data Set A has a smaller spread than Data Set B. 3. harden the emulsion Histograms are used to display qualitative, categorical data. ANSWER: 1 only B. Stem and you've noticed that there is variability in the number of cherries on each pie that you sell. d. All of these choices are true. Which of the following statements about the two histograms above is true? In histograms, relative areas correspond to relative frequencies. If the right-hand-side tail of the graph of a data set is longer than its. What is the number of X The cube: 0xa,0ya,0za0 \leq x \leq a, \quad 0 \leq y \leq a, \quad 0 \leq z \leq a0xa,0ya,0za. A negatively skewed histogram is one with a long tail extending to the left. E. OID Experts are tested by Chegg as specialists in their subject area. The shape of histogram A is the same as the shape of histogram B. The given chart, A: General guidance If you want any, A: GivenMarginoferror(E)=5confidencelevel(c)=95%Thesamplestandarddeviationfromthestudy, A: The rate of children living in California with grandparents as their primary caretakers. We have eight pies at 60-89 60-89 cherries, three that have a 120-149 We have five more pies in the 60 to 89 category that we do in the 120 to 149 categories A lot of questions that we can start to answer hopefully this gives you a sense of how you can interpret histograms. A histogram represents a continuous variable distribution. Suppose P(A) = 0.25. Question: Shapes of Distributions - Variation: The histograms below depict the frequencies from two data sets. how many pies have at least 60 at most 89 cherries? I only Il only 111 only 1 and 11 None of the above gives the complete set of true responses. O Unlike other graphs, histogram axes do not need to be labeled. Which of the following statements about histograms is true? She sold a house for Evaluate definite integral by using the method of integration by parts: 0ln2xexdx\int_0^{\ln 2}xe^x\,dx The classes in a histogram cover the complete range of observations. F) The heights of the bars. b. b. AP Statistics Questions: Graphical Displays, AP Statistics Questions: Summarizing Distributions 1, AP Statistics Questions: Summarizing Distributions 2, AP Statistics Questions: Summarizing Distributions 3, AP Statistics Questions: Exploring Bivariate Data 1, AP Statistics Questions: Exploring Bivariate Data 2, AP Statistics Questions: Exploring Categorical Data: Two-Way Tables, AP Statistics Questions: Planning and Conducting Surveys 1, AP Statistics Questions: Planning and Conducting Surveys 2, AP Statistics Questions: Planning and Conducting Experiments 1, AP Statistics Questions: Planning and Conducting Experiments 2, AP Statistics Questions: Probability as Relative Frequency 1, AP Statistics Questions: Probability as Relative Frequency 2, AP Statistics Questions: Probability as Relative Frequency 3, AP Statistics Questions: Probability as Relative Frequency 4, AP Statistics Questions: Combining and Transforming Random Variables, AP Statistics Questions: The Normal Distribution 1, AP Statistics Questions: The Normal Distribution 2, AP Statistics Questions: Sampling Distributions 1, AP Statistics Questions: Sampling Distributions 2, AP Statistics Questions: Confidence Intervals 1, AP Statistics Questions: Confidence Intervals 2, AP Statistics Questions: Confidence Intervals 3, AP Statistics Questions: Tests of Significance-Proportions and Means 1, AP Statistics Questions: Tests of Significance-Proportions and Means 2, AP Statistics Questions: Tests of Significance-Chi-Square and Slope of Least Squares Line. 86 111. We can calculate (E) The empirical rule applies to bell-shaped data like those found in set B, not in set A. O Displaying outliers is less problematic . Can histograms be made sideways? 4, A: (Since it is not mentioned which question so as per our protocol we shall only answer the first, A: From box and whiskers diagram B. Enter the data in an excel sheet. II. AP Statistics Questions: Graphical Displays, AP Statistics Questions: Summarizing Distributions 1, AP Statistics Questions: Summarizing Distributions 2, AP Statistics Questions: Summarizing Distributions 3, AP Statistics Questions: Exploring Bivariate Data 1, AP Statistics Questions: Exploring Bivariate Data 2, AP Statistics Questions: Exploring Categorical Data: Two-Way Tables, AP Statistics Questions: Planning and Conducting Surveys 1, AP Statistics Questions: Planning and Conducting Surveys 2, AP Statistics Questions: Planning and Conducting Experiments 1, AP Statistics Questions: Planning and Conducting Experiments 2, AP Statistics Questions: Probability as Relative Frequency 1, AP Statistics Questions: Probability as Relative Frequency 2, AP Statistics Questions: Probability as Relative Frequency 3, AP Statistics Questions: Probability as Relative Frequency 4, AP Statistics Questions: Combining and Transforming Random Variables, AP Statistics Questions: The Normal Distribution 1, AP Statistics Questions: The Normal Distribution 2, AP Statistics Questions: Sampling Distributions 1, AP Statistics Questions: Sampling Distributions 2, AP Statistics Questions: Confidence Intervals 1, AP Statistics Questions: Confidence Intervals 2, AP Statistics Questions: Confidence Intervals 3, AP Statistics Questions: Tests of Significance-Proportions and Means 1, AP Statistics Questions: Tests of Significance-Proportions and Means 2, AP Statistics Questions: Tests of Significance-Chi-Square and Slope of Least Squares Line. 67 79, A: Here use basic definition of level of measurement, A: Given information, Which of the following is the most important and commonly used graphical presentation of numerical (quantitative) data? 1 only Which of the following are true statements? The proportion of observations that fall below each class interval. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. D. Stemplots may or may not show individual values. E) Histograms are used to display qualitative, categorical data. B) Histograms are used to display discrete numerical data. b. Direct link to Learner's post So basically on a histogr, Posted 3 years ago. The empirical rule applies only to set A. Direct link to Ethan Duda's post , Posted 2 years ago. In histograms, frequencies can be determined from relative heights I and II Which of the following are true statements? Direct link to Vasu Dalal's post Can histograms be made si, Posted 5 years ago. Direct link to steven.bell's post I don't get what he is do, Posted 5 years ago. Try It Follow the steps you used to graph a box-and-whisker plot for the data values shown. Histogram example: student's ages, with a bar showing the number of students in each year. 9, A: We know that, there are following measures of Central tendency are: The center of histogram A is lower than the center of histogram B. This pie has 1,2,3,4,5 6,7,8,9,10,keep counting Let's say it has 32 cherries. you know that you don't have any pie that have more than 149 cherries so this should account for everything. d. All of these choices are true. 2 only Minimum, First quartile (Q1), Median,Third quartile, A: Measure of central tendency measures the central or average value of a dataset. There are many, A: The normal distribution in the center is generally denser and basically less dense at the tails., A: Since you have asked multiple questions, we will solve the first question for you. A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size. The statements that must be true about the data sets A and B displayed in the histogram are; The mean of dataset A is equal to the mean of dataset B, The median of data set A is equal to the median value of dataset B, The range of dataset A is equal to the range. A histogram is made of a series of intervals, called classes. Select the data and. B. A. Which of the following statements about histograms is dividing the frequency of the class by the total of all frequencies. Which of the following are TRUE statements? Bell Shaped.. The PA chest image shown here exhibits which of the following qualities? 2. I. Use your browser's back button to return to your test results. 2 only 8+4=12,plus 3 is 15 which is five less than 20. (2) Bar must appear in numerical order. Estimate the number of whistles that did not pass. C. There are no outliers. Direct link to Emma Friedman's post Histograms can be used wi, Posted 5 years ago. A contingency table is used to describe two nominal variables. Among 500 members, 8% of the sampled members have spent, A: The given grouped data is A graphical representation of cumulative relative frequencies. If you're seeing this message, it means we're having trouble loading external resources on our website. 69 Both dotplots and stemplots can show symmetry, gaps, clusters, and outliers II. A histogram is used to display qualitative data. 2. 55.100 Math. 12 C. 2 and 3 only Then use Newton's method to find the root correct to six decimal places. can histograms be used with any set of numbers/data ? A time study showed the following figures. A: To find which statistics is not shown on a boxplot. Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018. The probability of complement of A is: An approach of assigning probabilities that assumes that all outcomes of the experiment are equally likely is referred to as the: If you roll a fair (unbiased) die 60 times, you should expect an odd number to appear: If a coin is tossed three times, and a statistician predicts that the probability of obtaining three heads in a row is 0.125, which of the following assumptions is irrelevant to his prediction? 2. patient dose Experts are tested by Chegg as specialists in their subject area. First week only $4.99! Histograms follow a strict horizontal order from smallest to largest interval, so you can draw conclusions by the shape the data takes. Mean or Arithmetic Mean, A: Introduction: classes. Which of the following statements about histograms is true? Which of the following statements about histograms are true? C. 1 and 2 only (B) (D) (E) All symmetric histograms have single peaks. You can recreate the original data set from it. Direct link to kathyzhang0001's post when the graph shows that, Posted 2 years ago. And you are going to do it for every pie. What is two thousand four hundred divided by fifty nine, 1. 1 and 2 only C. 2 and 3 only D. 1, 2, and 3 C , The charter of a corporation provides for the issuance of 110,000 shares of common stock. E. The standard deviation of set B is greater than 5. C. 600 mA, 0.02 second 26 B. 3.6-3.8 Do you agree with me that Sal's pie drawings are great? Which of the following statements is true about a distribution that appears to have a gap when displayed as a histogram? Histograms may be skewed or symmetrical depending on the data. The empirical rule applies only to set A. A. Two sample z test is used for testing the two population proportions based on two, A: Procedure to obtain scatter plot using Excel: 72 If P(A) = 0.60, P(B) = 0.58, and P(A B) = 0.70, then P(A B) is: If A and B are mutually exclusive events, with P(A) = 0.30 and P(B) = 0.40, then P(A B) is: If A and B are mutually exclusive events, with P(A) = 0.20 and P(B) = 0.30, then P(A B) is: If P(A) = 0.35, P(B) = 0.45 and P(A B) =0.20, then P(A | B) is: If A and B are independent events, with P(A) = 0.20 and P(B) =0.60, then P(A | B) is: When a fair die is rolled once, the sample space consists of the following six outcomes: 1, 2, 3, 4, 5, 6. Direct link to Mark Geary's post A histogram shows bars re, Posted 6 years ago. The minimum test score is 17, and maximum test score is 26. 93 A. Concepts and reason Statistics and Probability questions and answers. Which of the following statements are true? All Symmetric histograms have single peak. c- The classes in a histogram cover the complete range of 1. receptor exposure 16, A: Since you have asked multiple questions, we will solve the first question for you. Kwame Lucas delivers bread for City Bakery Company. D. Compare the spread of the two histograms below. ____ 5. F1+F2+F3++FN=FN+21. A. 11 Which of the following statements about histograms is true? For example, if a teacher's histogram of exam scores shows a skew, or a pronounced lean, to the left, it might indicate that most students struggled with the test. 3. patient/part motion He works 9 hours each day. Given information: The histograms are similar to bar graphs but histograms groups numbers into ranges. Which of the following pathologic conditions probably require a decrease in exposure factors? c. D. added filtration, What are the effects of scattered radiation on a radiographic image? Which of the following statements is true? Class So the first question is: based on just this information can you figure out the total number of pies in your store? D The relative frequency of a class in a histogram is computed by a. B. Direct link to Addy's post Who is going to go throug, Posted 2 months ago. Direct link to Saivishnu Tulugu's post Great question! Direct link to satyasarathi05's post what is the difference be, Posted 5 years ago. E) Histograms are used to display qualitative, categorical data. A histogram generally has no gaps between rectangles, because it is a graphical display of a numerical variable and the horizontal axis follows a number scale. The distribution must have an outlier. A single number that seeks to represent a set of data by, A: Mean is the average value of the observations and median is the middle most value of the, A: Given information: A histogram shows bars representing numerical values by range of value. Athletics Which of the following are TRUE statements? A: The reason which lead to bias in qualitative research. Which of the following best describes the modal class? A: Given: The stem and leaf diagram is provided as: 60 3.0-3.2 A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size. Statistics and Probability questions and answers. There are 500 members. 400 mA, 0.03 second Mrs. Hamilton worked for a real estate agency. Histograms can be used with any numbers, it just matters how you label them differently, what is the difference between a histogram and a bar graph. Three of the following statements are true about the statistics from the two data sets. a. A negatively skewed histogram is one with a long tail extending to the left. (3) Bars are always touching. Which statement is true? O istograms are more widely used than stemplots or dotplots because histograms display the values of individual observation. If you want any, A: Note: I. 1 only Multiple Choice The heights of the bars represent relative class frequencies. All Symmetric bell-shaped curves are normal III. A modal class in a histogram is the class that includes, The sum of the relative frequencies for all classes in a histogram always equals. Diagnostic x-rays are generally associated with, A screen-film image exhibiting insufficient density might be attributed to, Decreasing field size from 14 x 17 in to 8 x 10 in, with no other changes, will, Which of the following devices is used to overcome severe variation in patient anatomy or tissue density, providing more uniform receptor exposure? Use a graph to find an initial approximation (to one decimal place) to the root of the equation ex2=x3+x3e^{-x^2}=x^3+x-3ex2=x3+x3.

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