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e values?

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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3. I want to assess whether or not a new drug meant to help with depression symptoms actually helps those with depression. I recruited 10 subjects with depression and measured the number of symptoms they have (baseline). I then give them the new drug and measure the number of depressive symptoms they have two weeks later (post). I want to test the hypothesis that receiving the new drug will decrease depressive symptoms. At an alpha of 0.05, please test this hypothesis. a. What is the null hypothesis? b. What is the alternative hypothesis? c. Using baseline - drug, compute difference values for this questions' data: Baseline (# symptoms) Drug (# symptoms) Difference values 5 3 4 2 1 5 3 3 2 2 2 1 1 7 6 7 4 d. What is the mean of the difference values? e. What is the standard deviation of the difference values? f. What is the standard error of the difference values?
Transcribed Image Text:3. I want to assess whether or not a new drug meant to help with depression symptoms actually helps those with depression. I recruited 10 subjects with depression and measured the number of symptoms they have (baseline). I then give them the new drug and measure the number of depressive symptoms they have two weeks later (post). I want to test the hypothesis that receiving the new drug will decrease depressive symptoms. At an alpha of 0.05, please test this hypothesis. a. What is the null hypothesis? b. What is the alternative hypothesis? c. Using baseline - drug, compute difference values for this questions' data: Baseline (# symptoms) Drug (# symptoms) Difference values 5 3 4 2 1 5 3 3 2 2 2 1 1 7 6 7 4 d. What is the mean of the difference values? e. What is the standard deviation of the difference values? f. What is the standard error of the difference values?
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