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 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).
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 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).
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time
Section: Chapter Questions
Problem 5A
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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
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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