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A population has a mean of E-50 and a standard deviation of o - 20. a. Would a score of X -70 be considered an extreme value (out in the tail) in this sample? b. If the standard deviation were o 5, would a score of X-70 be considered an extreme value?

A population has a mean of E-50 and a standard deviation of o - 20. a. Would a score of X -70 be considered an extreme value (out in the tail) in this sample? b. If the standard deviation were o 5, would a score of X-70 be considered an extreme value?

MATLAB: An Introduction with Applications
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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to via- a. Compute the mean, the variance, and the standard deviation for each b. Is one group of scores noticeably more variable than the other? group. ,6, 25. A population has a mean of p deviation of o a. Would a score of X value (out in the tail) in this sample? b. If the standard deviation were o- of X-70 be considered an extreme value? 50 and a standard -(Use -20. 70 be considered an extreme nge Iding of 5. would a score 26. On an exam with a méan of M = 39, you obtain a score of X = 35. a. Would you prefer a standard deviation of s 2 or ion, 8? (Hint: Sketch each distribution and find the Jocation of your score.) the llow- 43. would you prefer s = 2 b. If your score were X 82 Explain your answer. e two land
Transcribed Image Text:to via- a. Compute the mean, the variance, and the standard deviation for each b. Is one group of scores noticeably more variable than the other? group. ,6, 25. A population has a mean of p deviation of o a. Would a score of X value (out in the tail) in this sample? b. If the standard deviation were o- of X-70 be considered an extreme value? 50 and a standard -(Use -20. 70 be considered an extreme nge Iding of 5. would a score 26. On an exam with a méan of M = 39, you obtain a score of X = 35. a. Would you prefer a standard deviation of s 2 or ion, 8? (Hint: Sketch each distribution and find the Jocation of your score.) the llow- 43. would you prefer s = 2 b. If your score were X 82 Explain your answer. e two land
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