A memory test was conducted on 3 subjects. Over 6 days, each subject was given a
ID: 3386754 • Letter: A
Question
A memory test was conducted on 3 subjects. Over 6 days, each subject was given a cup of coffee at a different time (early morning, mid morning, late morning, early afternoon, mid afternoon and late afternoon) and then asked to conduct a memory test. The time it took to complete the test under each caffeine treatment was recorded and the data appear below:
Subject
Coffee 1
Coffee 2
Coffee 3
Coffee 4
Coffee 5
Coffee 6
1
22
16
38
28
24
34
2
26
17
36
32
30
33
3
28
24
41
31
32
36
A. State the dependent and independent variables in this experiment.
B. State the hypothesis for this experiment.
C. Complete the ANOVA table and find Fobs (show your work)
D. Find Fcrit and state what decision you make about the statistical hypothesis. Use alpha=0.05
E. Find the Tukey CD and determine which pairwise differences are statistically significant.
F. Find the 2 and indicate what it represents in the context of this experiment.
Subject
Coffee 1
Coffee 2
Coffee 3
Coffee 4
Coffee 5
Coffee 6
1
22
16
38
28
24
34
2
26
17
36
32
30
33
3
28
24
41
31
32
36
Explanation / Answer
A memory test was conducted on 3 subjects. Over 6 days, each subject was given a
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