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3) You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R except for part (d)): seedling #: 1 2 3 4 5 y S 5 days: 30 20 38 49 32 33.8 10.686 7 days: 37 24 45 52 37 39 10.464 difference: -7 -4 -7 -3 -5 -5.2 1.789 (a) Is there a difference in length? (c) What happened in (b)? (b) Repeat (a), but now use a regular (unpaired) t-test. (d) Verify the normal distribution assumption for the paired t-test you did in (a). (You may use R for this part).

3) You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R except for part (d)): seedling #: 1 2 3 4 5 y S 5 days: 30 20 38 49 32 33.8 10.686 7 days: 37 24 45 52 37 39 10.464 difference: -7 -4 -7 -3 -5 -5.2 1.789 (a) Is there a difference in length? (c) What happened in (b)? (b) Repeat (a), but now use a regular (unpaired) t-test. (d) Verify the normal distribution assumption for the paired t-test you did in (a). (You may use R for this part).

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) You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R except for part (d)): seedling #: 1 12 3 4 5 y S 5 days: 30 20 38 49 32 33.8 10.686 7 days: 37 24 45 52 52 37 39 10.464 difference: -7 -4 -7 -3 -5 -5.2 1.789 (a) Is there a difference in length? (c) What happened in (b)? (b) Repeat (a), but now use a regular (unpaired) t-test. (d) Verify the normal distribution assumption for the paired (You may use R for this part). t-test you did in (a).
Transcribed Image Text:3) You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R except for part (d)): seedling #: 1 12 3 4 5 y S 5 days: 30 20 38 49 32 33.8 10.686 7 days: 37 24 45 52 52 37 39 10.464 difference: -7 -4 -7 -3 -5 -5.2 1.789 (a) Is there a difference in length? (c) What happened in (b)? (b) Repeat (a), but now use a regular (unpaired) t-test. (d) Verify the normal distribution assumption for the paired (You may use R for this part). t-test you did in (a).
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