which of the following statements about histograms are true?

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? F1+F2+F3++FN=FN+21F _ { 1 } + F _ { 2 } + F _ { 3 } + \cdots + F _ { N } = F _ { \mathrm { N } + 2 } - 1 26 B. View solution. while y will have a frequency. Experts are tested by Chegg as specialists in their subject area. Bar chart example: student's favorite color, with a bar showing the various colors. soon be there all accounted for by this histogram and I encourage you to pause this video and try to figure it out on your own What was the total number of pies? 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? Suppose P(A) = 0.25. 1. remove the unexpected silver bromide crystals (C) Stemplots are not used for categorical data sets, are too unwieldy to be used for very large data sets, and show every individual value. A histogram is a summary of interval data. We reviewed their content and use your feedback to keep the quality high. The class with the largest number of observations. D. added filtration, What are the effects of scattered radiation on a radiographic image? Experts are tested by Chegg as specialists in their subject area. >. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Use your browser's back button to return to your test results. The reasons the above options are correct are as follows: (15*8 + 25*2 + 35*1 + 45*2 + 55*8)/(8 + 2 + 1 + 2 + 8) = 35, (15*1 + 25*2 + 35*8 + 45*2 + 55*1)/(1 + 2 + 8 + 2 + 1) = 35, The mean of the two data set appear to be the same. One of them is false. 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. 66 Learn how to read and interpret histograms, which summarize data by sorting it into buckets. (3) Bars are always touching. As such, it does not represent categorical data. So you create buckets of 30 you say how many pies have between 0 and 29 cherries? The minimum test score is 17, and maximum test score is 26. 9 A histogram represents a continuous variable distribution. c. Which of the following graphical display is can be used to describe relationship between two numerical (quantitative) variables? Which of the following statements about histograms is true? 3.6-3.8 Thank you for the question. The histograms are similar to bar graphs but histograms groups numbers into ranges. Its shape resembles a histogram turned on its side. A time study showed the following figures. c. A histogram shows the relative frequencies of. d. All of these choices are true. Minimum, First quartile (Q1), Median,Third quartile, A: Measure of central tendency measures the central or average value of a dataset. A. Math. OID 16, A: Since you have asked multiple questions, we will solve the first question for you. These histograms have the same dass boundaries and dass widths. If A and B are independent events, with P(A) = 0.50 and P(B) = 0.70, then the probability that A occurs or B occurs or both occur is: The collection of all possible outcomes of an experiment is called: Two events A and B are said to mutually exclusive if: If A and B are mutually exclusive events with P(A) = 0.80, then P(B): A useful graphical method of constructing the sample space for an experiment is: The expected number of heads in 90 tosses of an unbiased coin is: The expected value, E(X), of a binomial probability distribution is: Given that X is a binomial random variable, the binomial probability P(X x) is approximated by the area under a normal curve to the right of: The standard deviation of a binomial distribution for which n = 100 and p = .35 is: Which of the following best describes a discrete random variable? D. The distribution cannot be symmetric. The intervals of a histogram do not overlap. Which of the following statements about the two histograms above is true? 3. patient/part motion ANSWER: 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? 1 only 60 Statistics and Probability questions and answers. A histogram has gaps between the bars. a. C. 2 and 3 only Ya thats true *had t, Posted 5 years ago. A random variable that can only assume a countable number of values. a. Stems should never be skipped overgaps are important to see. When income increases, expenditure on imports tend to increase. It is calculated by adding all the values and, A: The following information has been given: D) A histogram has gaps between the bars. 31 C. 44 D. 59 E. 61. how may pies do you have that have a lot of cherries, how many pies that have a few cherries, how many pies are in between? Which of the following statements is true about a distribution that appears to have a gap when displayed as a histogram? c. A bar chart may be used as a graphical display of a contingency table. Histograms of categorical variables can pinpoint clusters and gaps. Experts are tested by Chegg as specialists in their subject area. shows shape of distribution shows location of center shows the spread of data Direct link to steven.bell's post I don't get what he is do, Posted 5 years ago. 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. Which of the following is a graphical technique used to present nominal (categorical) data? A graphical representation of cumulative relative frequencies. D. 100 mA, 0.12 second, spatial resolution/detail can be improved by decreasing i still don't under stand, this video doesn't help. A histogram is made of a series of intervals, called classes. Direct link to kathyzhang0001's post when the graph shows that, Posted 2 years ago. 3 I've seen some bar graphs with horizontal bars instead of vertical ones. B. The number of bacteria P can be modeled by P=500(1+4t50+t2)P=500\left(1+\frac{4 t}{50+t^{2}}\right)P=500(1+50+t24t) where t is the time (in hours). SID C. 1 and 3 only Exposure rate will decrease with an increase in. All content of site and practice tests copyright 2017 Max. A. Stemplots are useful both for quantitative and categorical data sets. 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 12 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. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 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 . O istograms are more widely used than stemplots or dotplots because histograms display the values of individual observation. The bars of a histogram should be equal width to accurately display the data. 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? A histogram illustrates pixel value distribution 2. there is a default histogram for each/different body parts 3. a histogram is representative of the image grayscale A. So basically on a histogram, it's a way to graph ranges of data. A histogram is used to display qualitative data. Two sample z test is used for testing the two population proportions based on two, A: Procedure to obtain scatter plot using Excel: Your answer: O Two students working with the same set of data may come up with histograms that look different. Which of the following best describes the shape of the distribution of incomes of all employees in large company? O Unlike other graphs, histogram axes do not need to be labeled. b- A histogram is made of a series of intervals, called b. A histogram is a chart that plots the distribution of a numeric variable's values as a series of bars. A: To find which statistics is not shown on a boxplot. false? A histogram is made of a series of intervals, called classes. E. The standard deviation of set B is greater than 5. b. D. 1, 2, and 3, Which of the following groups of exposure factors would be most appropriate to control involuntary motion? I. Set A is much more spread out than set B, and so set A has the greater variance. 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. In histograms, relative areas correspond to relative frequencies. 1. Which of the following is true? Which statement is true? 2. change the exposed silver bromide crystals to black metallic silver [we can observe from the data there are no, A: Note: A histogram titled Science Grades has grades on the x-axis and number of students on the y-axis. D. Stemplots may or may not show individual values. Which of the following statements are true? B. Which of the following are TRUE statements? Then use Newton's method to find the root correct to six decimal places. O Displaying outliers is less problematic when using histograms than when using stemplots. Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018. Which of the following statements about histograms is false? Direct link to kayce's post i still don't under stand, Posted a year ago. 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. Which of the following pathologic conditions probably require a decrease in exposure factors? Which of the following statements about histograms is true? 5 b- A histogram is made of a series of intervals, called classes. B. 0ln2xexdx. 2 only observations, We know that Histogram is an another way to display the 1. Which of the following statements about histograms is/are true? II. A histogr, Posted 2 months ago. Which of the following statements about shapes of histograms is true? A: We want to tell you which one is the correct choice. b- A histogram is made of a series of intervals, called All of these choices are true. Kwame Lucas delivers bread for City Bakery Company. Which of the following describes the shape of the histogram below? Which of the following is true about a stem-and-leaf display? Off campus A histogram is made of a series of intervals, called classes. B. A histogram is made of a series of intervals, called classes. a- A histogram is a summary of interval data. 400 mA, 0.03 second 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. (B) (D) (E) All symmetric histograms have single peaks. Which of the following statements about histograms is true? Today your going to read about Mesoamrica and first read the passage and then answer. Which of the following statements about the two histograms above is true? d. All of these choices are true. A histogram is a summary of interval data. Which of the statements given above is/are . c. The classes in a histogram cover the complete range of observations. The empirical rule applies only to set A. D. 1, 2, and 3, The function(s) of the developer in film processing is (are) to What percent of his workday is spent on each of the activities? B. Stemplots are equally useful for small and very large data sets. A. classes. Direct link to Mark Geary's post A histogram shows bars re, Posted 6 years ago. Statistics and Probability questions and answers. 93 O Unlike other graphs, histogram axes do not need to be labeled. Od. A: Given: The stem and leaf diagram is provided as: C. 600 mA, 0.02 second All content of site and practice tests copyright 2017 Max. The center of histogram A is lower than the center of histogram B. a. Oa. A negatively skewed histogram is one with a long tail extending to the left. 8) Which of the following statements about histograms are true? false? The x will typically have a range of values while they will have a frequency. A. All of these choices are true. I. Which of the following statements about histograms is true? Because you don't want to create just a graph I'm not having exactly 32. *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. Question number 2 why do you think maize was so important to these civilizations. Which of the following statements about histograms is false? 1 and 2 only C. 2 and 3 only D. 1, 2, and 3 C Which of the following statements about pie charts is false? Among 500 members, 8% of the sampled members have spent, A: The given grouped data is What percent of the day does Lucas spend loading, driving, and delivering? 3. harden the emulsion c- The classes in a histogram cover the complete range of observations d- All of these choices are true. A. 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. If P(A) = 0.20, P(B) = 0.30 and P(A B) = 0.00, then A and B are: Which of the following is a requirement of the probabilities assigned to the outcomes Oi? A) A histogram has gaps between the bars. Calculate the total flux of v(x,y,z)=\mathrm{v}(x, y, z)=v(x,y,z)= 2xyi+y2j+3yzk2 x y \mathbf{i}+y^2 \mathbf{j}+3 y z \mathbf{k}2xyi+y2j+3yzk out of the given solid. What values are displayed on a cumulative relative frequency distribution? d. All of these choices are true. 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. observations 2.7-2.9 I. A histogram is a summary of interval data. For males: D Which of the following statements about histograms is false? The number of class intervals in a frequency distribution must be the same as the number of observations. Which of the following represents a graphical presentation of interval data? 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. Multiple Choice O Histograms are used to display discrete numerical data. A: Check for outliers. And you are going to do it for every pie. c- The classes in a histogram cover the complete range of If you want any, A: Note: C. Stemplots can show symmetry, gaps, clusters, and outliers. Which of the following may be determined from the height of the bar in a relative frequency histogram? A sample of. well this magenta bar doesn't apply because these all have less than 60 but all these other bars are accounting pies that have 60 or more cherries this is 60 to 89, this is 90 to 119 this is a 120 to 149 so it's going to be these eight cherries sorry, these eight pies that are in this bucket plus these four pies, plus these three pies so it is going to be essentially everything but this first bucket everything but all the pies except for these five pies have 60 or more cherries so should be five less than 20 Let's see. C. 1 and 2 only c- The classes in a histogram cover the complete range of Which of the following statements about histograms is true? Statistics and Probability questions and answers. commissi If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 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. An increase in the kVp applied to the x-ray tube increases the. Start your trial now! 1. receptor exposure Histograms may be skewed or symmetrical depending on the data. Try It Follow the steps you used to graph a box-and-whisker plot for the data values shown. B. grid It is the average of given set of numbers. Direct link to Elaina163's post what it means is the numb. Can histograms be made sideways? O Displaying outliers is less problematic . The true options about the histograms are: (1) Data are organized in equal intervals. D) A histogram has gaps between the bars. So what you're curious about is what is the distribution, how many of different types of pies do you have? Mrs. Hamilton worked for a real estate agency. Question number 3 what kinds of tools do you think Mesoamrica civilizations created with the resources they had? E) Histograms are used to display qualitative, categorical data. ____ 5. 1. 2. it increases contrast Histograms are used to represent quantitative data. 2. Estimate the number of whistles that did not pass. Pie charts can only be used for nominal data. Three of the following statements are true about the statistics from the two data sets. The standard deviations are about the same. Assume that 51,000 shares were originally issued and 4.100 w 1 and 2 only E. The standard deviation of set B is greater than 5. shares outstanding? C) The heights of the bars represent class frequencies. Let's say you have a cherry pie store. C. collimator Direct link to Addy's post Who is going to go throug, Posted 2 months ago. Where data is divided into stem and, A: The given stem-and-leaf plot is A histogram shows bars representing numerical values by range of value. you know that you don't have any pie that have more than 149 cherries so this should account for everything. Which of the following best describes a component bar chart? A histogram is used to represent quantitative data so both the x and y axes have numbers. 3.3-3.5 B. classes. E. On campus Ob. The given chart, A: General guidance d. All of these choices are true.

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