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a) Repeat problem (2), but this time use a t-test (Welch's). Do NOT use R. Use a=.01. Are you surprised the results? b) Now use R and read the data into R and make q-q plots. Does this explain what happened?

a) Repeat problem (2), but this time use a t-test (Welch's). Do NOT use R. Use a=.01. Are you surprised the results? b) Now use R and read the data into R and make q-q plots. Does this explain what happened?

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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I already have the Mann-whitney U part done. just need a and b

In women, calcitonin levels decrease after menopause. A study to examine this was done in 1989 by ginster et. al. They found the following results in pg/ml (do NOT use R): Before menopause: 86 104 74 86 86 50 83 71 119 83 After menopause: 42 25 51 72 Use a Mann-Whitney U test. Use a = .01. Do calcitonin levels drop after menopause? (a) Repeat problem (2), but this time use a t-test (Welch's). Do NOT use R. Use a = .01. Are you surprised the results? (b) Now use R and read the data into R and make q-q plots. Does this explain what happened?
Transcribed Image Text:In women, calcitonin levels decrease after menopause. A study to examine this was done in 1989 by ginster et. al. They found the following results in pg/ml (do NOT use R): Before menopause: 86 104 74 86 86 50 83 71 119 83 After menopause: 42 25 51 72 Use a Mann-Whitney U test. Use a = .01. Do calcitonin levels drop after menopause? (a) Repeat problem (2), but this time use a t-test (Welch's). Do NOT use R. Use a = .01. Are you surprised the results? (b) Now use R and read the data into R and make q-q plots. Does this explain what happened?
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