Summarize the meaning of the standard deviation within the following graph in one sentence. AA AStatisticsNumber of childrenValid2859Missin8gMean1.85Median2.00ModeStd. Deviation1.669RangeMinimumMaximumPercentile 25.00331.00753.00

Given that the standard deviation is 1.669.

Answered: Summarize the meaning of the standard…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the graph to answer the following questions. Frequency 7 6+ 5 40 Cost of Student Groceries Cost ($) a. Is this graph symmetric or skewed? 100 b. For this graph, is mean or median the best choice for the measure of center? c. For this graph, is standard deviation or IQR the best choice for the measure of variation? d. For this graph, the mean is expected to be the median. (higher than, lower than, or about the same as?)
Which of the following is an example of doing inferential statistics? You calculate the average grade on an exam in a class of 5th grade math students to see if they did better or worse than last year. You lookup the median and the standard deviation of the age for the U.S. population from U.S. Census data. You use a sample of homes in Rancho Cucamonga to draw a conclusion about the mean home price for all Rancho Cucamonga homes. You compare the distributions of scores for two Social Science 10 classes to see which class did better on the exam.
The table shows the number of students on the track team who run the hurdles and in relays. No student runs in both. Hurdles Relays 7th graders 8 12 8th graders 15 15 Total 23 27 Total 20 30 50 What is the joint relative frequency to the nearest hundredth of boys who run relays?
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The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 130, while the mean score was 71 and the standard deviation was 13. 32 45 97 110 58 71 84 Distribution of Test Scores Q What is the approximate percentage of students who scored less than 45 on the test? What is the approximate percentage of students who scored between 71 and 84 on the test? What is the approximate percentage students who scored between 58 and 84 on the test? What is the approximate percentage of students who scored between 45 and 97 on the test?
The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 140, while the mean score was 80 and the standard deviation was 13. + + + 41 54 67 80 93 106 119 Distribution of Test Scores What is the approximate percentage of students who scored between 54 and 106 on the test? What is the approximate percentage students who scored between 67 and 93 on the test? % What is the approximate percentage of students who scored between 80 and 93 on the test? %
5. State the Mean Value Theorem. Sketch a geometric interpretation of this theorem. Explain how your sketch is a geometric interpretation of the Mean Value Theorem, in your own words, using complete sentences.
Suppose there are 5 students in a room. The mean age is 19.8 years, and the median age is 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median? O The mean and median increase. The mean increases, and the median either increases or stays the same. The mean increases, but it is impossible to determine whether the median increases, decreases, or stays the same. The mean increases, and the median stays the same. The median increases, and the mean either increases or stays the same.
The graph shows the distribution of the number of text Which statement describes the distribution? messages young adults send per day. The distribution is approximately Normal, with a Daily Text Messaging mean of 128 messages and a standard deviation of 98 messages. O The distribution is approximately Normal, with a mean of 128 messages and a standard deviation of 30 messages. O The distribution is approximately Normal, with a mean of 30 messages and a standard deviation of 128 messages. O The distribution is uniform, with a mean of 128 messages and a standard deviation of 30 messages. 8. 38 68 98 128 158 188 218 248 Number of Texts

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