which of the following statements about histograms are true?

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. dividing the frequency of the class by the total of all frequencies. Which of the following are TRUE statements? b. b. The number of observations in the interval represented by that stem. E. The standard deviation of set B is greater than 5. Direct link to Vladimir Ermakov's post Yes, and it really depend, Posted 5 years ago. AP Statistics Question 438: Answer and Explanation - CrackAP.com A histogr, Posted 2 months ago. A population of bacteria is introduced into a culture. The relative frequency of a class in a histogram is computed by. PDF Mr. Young's Math Website: Moses Brown School - Home 93 Which of the following statements about histograms is true? 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. 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? so now we have construct it; Let's see if we can interpret it based on the information given in the histogram. b. Question: 8) Which of the following statements about histograms are true? 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. 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? Bell Shaped.. Which of the following is a true statement? It is the average of given set of numbers. and you've noticed that there is variability in the number of cherries on each pie that you sell. Which of the following graphical display is can be used to describe relationship between two numerical (quantitative) variables? 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). Which of the following statements is true about a distribution that All content of site and practice tests copyright 2017 Max. B. Stemplots are equally useful for small and very large data sets. B. Histograms are used to display qualitative, categorical data. C. 2 and 3 only Direct link to Addy's post Who is going to go throug, Posted 2 months ago. A. Stemplots are useful both for quantitative and categorical data sets. E. D) A histogram has gaps between the bars. O Unlike other graphs, histogram axes do not need to be labeled. 3 C. 1 and 3 only X 11 Which of the following statements about histograms is false? A: Need to identify which graphical tool is suitable for the data of causes of defects. A chart in which vertical bars represent data in different categories. OID Histograms are used to represent quantitative data. So, the height of the bars determine how many we're working with then? 3. patient/part motion Solved 8) Which of the following statements about histograms - Chegg The shape of histogram A is the same as the shape of histogram B. Which of the following statements about histograms is true? 2. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Histogram example: student's ages, with a bar showing the number of students in each year. The PA chest image shown here exhibits which of the following qualities? View solution. The empirical rule applies only to set A. A bar chart shows categories, not numbers, with bars indicating the amount of each category. So there are 20 pies in this store. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. I've seen some bar graphs with horizontal bars instead of vertical ones. Which of the following may be determined from the height of the bar in a relative frequency histogram? If you're seeing this message, it means we're having trouble loading external resources on our website. >. The given chart, A: General guidance D. added filtration, What are the effects of scattered radiation on a radiographic image? If an experiment consists of five outcomes, with 0.10, 0.10, 0.30, 0.25, then is: If A and B are independent events with P(A) = 0.60 and P(A/B) = 0.60, then P(B) is: P(B) cannot be determined with the information given. A: To find which statistics is not shown on a boxplot. 1. it produces fog 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. d- All of these choices are true. 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. 2. it increases contrast If one particular bar has no data in it, there may be gaps in the histogram. Statistics and Probability questions and answers. All normal curves are bell-shaped and symmetric. Solved Which of the following statements about histograms - Chegg and then how many pies have at least 120 and at most 149? The standard deviations are about the same. 79 D. 1, 2, and 3, Which of the following groups of exposure factors would be most appropriate to control involuntary motion? The proportion of observations that fall below each class interval. The spread of histogram A is the same as the spread of histogram B. A. Experts are tested by Chegg as specialists in their subject area. Which of the following are TRUE statements? Direct link to kathyzhang0001's post when the graph shows that, Posted 2 years ago. A histogram is a summary of interval data. The classes in a histogram cover the complete range of observations. One of them is false. Give the domain of each function. b- A histogram is made of a series of intervals, called ____ 5. B. Direct link to Learner's post So basically on a histogr, Posted 3 years ago. c. A histogram shows the relative frequencies of. Which of the following is a true statement? A: Given: The stem and leaf diagram is provided as: A histogram is a summary of interval data. a. 3.3-3.5 Oa. 12 Which of the following statements is true about a distribution that appears to have a gap when displayed as a histogram? 67 He works 9 hours each day. O Unlike other graphs, histogram axes do not need to be labeled. g(x)=x2+3x+2g(x)=x^{2}+3|x+2|g(x)=x2+3x+2. Question number 2 why do you think maize was so important to these civilizations. A. B. So the first question is: based on just this information can you figure out the total number of pies in your store? Which of the following statements about histograms is true? So basically on a histogram, it's a way to graph ranges of data. What values are displayed on a cumulative relative frequency distribution? G) Histograms are used to display qualitative, categorical data. Which of the following are true statements? a. Find the rate of change of the population at t=2. Od. b. i still don't under stand, this video doesn't help. 60 Statistics and Probability questions and answers. 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. Which of the following statements about the two histograms above is true? A negatively skewed histogram is one with a long tail extending to the left. Start your trial now! A Complete Guide to Histograms | Tutorial by Chartio Direct link to satyasarathi05's post what is the difference be, Posted 5 years ago. O Displaying outliers is less problematic when using histograms than when using stemplots. 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. 3.6-3.8 C. There are no outliers. 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? 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? 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. c. A positively skewed histogram is one with a long tail extending to the right. 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. Expert Answer. d. All of these choices are true. Where data is divided into stem and, A: The given stem-and-leaf plot is Each trial results in two or more outcomes. Which of the following describes an ogive? Stem 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? If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. b- A histogram is made of a series of intervals, called a. F1+F2+F3++FN=FN+21. Which of the following statements about pie charts is false? Two sample z test is used for testing the two population proportions based on two, A: Procedure to obtain scatter plot using Excel: Both sets are roughly symmetric around 150 and so both should have means about 150. 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. 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? Both dotplots and stemplots can show symmetry, gaps, clusters, and outliers II. 3 only Mean or Arithmetic Mean, A: Introduction: b. A contingency table may also be called a cross classification table 3. harden the emulsion 26 B. O Histograms are more widely used than stemplots or dotplots because histograms display the values of individual observation. Which of the following is not an approach to assigning probabilities? [we can observe from the data there are no, A: Note: O Two students working with the same set of data may come up with histograms that look different. C. 600 mA, 0.02 second 2 only Try It Follow the steps you used to graph a box-and-whisker plot for the data values shown. c. It provides an organized way to depict interval data. A random variable that can only assume a countable number of values. There's five pies there's five pies that have at least 30 cherries but no more than 59. you have eight pies in this blue bucket you have four pies in this green bucket and then you have three pies that have at least 120 but no more than 149 cherries this accounts for all the pies so the total number of pies you have at the store 5 plus 8 plus 4 plus 3 which is what, 5 plus 8 is 13 plus 4,=17, plus 3 is twenty. Statistics and Probability. C. Stemplots can show symmetry, gaps, clusters, and outliers. D. Stemplots may or may not show individual values. Thank you for the question. A. B) Histograms are used to display discrete numerical data. a. , ere subsequently reacquired. Question: Shapes of Distributions - Variation: The histograms below depict the frequencies from two data sets. Question number 1 why do you Think historians refer to the area as Mesoamrica. 74 The true options about the histograms are: (1) Data are organized in equal intervals. We can calculate Direct link to Vasu Dalal's post Can histograms be made si, Posted 5 years ago. Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018. F) The heights of the bars. C) The heights of the bars represent class frequencies. Your answer: I. what it means is the numbers that are between and are 30 and 59. Which statement is true? Today your going to read about Mesoamrica and first read the passage and then answer. A) A histogram has gaps between the bars. II. The intervals of a histogram do not overlap. A sample of. A negatively skewed histogram is one with a long tail extending to the left. Ob. The proportion of observations that fall into that class. Which of the following statements about histograms is true? C. 2 and 3 only What is the number of (3) Bars are always touching. 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. She sold a house for you know that you don't have any pie that have more than 149 cherries so this should account for everything. 11. Stems should never be skipped overgaps are important to see. 2 students received a score of 50 to 59; 5 students received a score of 60 to 69; 8 students received a score of 70 to 79; 5 students received a score of 80 to 89; 2 students received a score of 90 to 100. A histogram is created by drawing rectangles whose bases correspond to the class intervals, and the area of each rectangle equals the number of observations in that class. Which of the following best describes the shape of the distribution of incomes of all employees in large company? A. 9 Which of the following statements about histograms is true? Great question! 71 You can specify conditions of storing and accessing cookies in your browser. $1.000 Compare the two histograms below. Fraternity what if you want to know the number of pies with more than 60 cherries the number of pies with more than 60 number of pies with I'll say this 60 or more 60 or more cherries so let's think about it. a- A histogram is a summary of interval data. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 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. B) Histograms are used to display discrete numerical data. a. 1. remove the unexpected silver bromide crystals 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. Which of the following best describes a component bar chart? A: This data set shows how much miles per gallon does different cars gives.

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