Students were given different drug treatments before revising for their exams. Some were given a memory drug (I), some a placebo drug (II) and some no treatment (III). The exam scores (%) are shown below for the three different groups: Groups Exam Scores ¯xi ni I 70 77 83 90 97 83.40 112.30 II 37 43 50 57 63 50.00 109.00 III 3 10 17 23 30 16.60 112.30 ¯x = 50.00 892.14 (a) 8 Carry out a one-way ANOVA by hand to test the hypothesis that the treatments will have different effects (Test at 5% significance). (b) 2 Can you suggest some follow-up comparisons?
Students were given different drug treatments before revising for their exams. Some were given a memory drug (I), some a placebo drug (II) and some no treatment (III). The exam scores (%) are shown below for the three different groups: Groups Exam Scores ¯xi ni I 70 77 83 90 97 83.40 112.30 II 37 43 50 57 63 50.00 109.00 III 3 10 17 23 30 16.60 112.30 ¯x = 50.00 892.14 (a) 8 Carry out a one-way ANOVA by hand to test the hypothesis that the treatments will have different effects (Test at 5% significance). (b) 2 Can you suggest some follow-up comparisons?
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Students were given different drug treatments before revising for their exams. Some were given a memory drug (I), some a placebo drug (II) and some no treatment (III). The exam scores (%) are shown below for the three different groups:
Groups Exam Scores ¯xi ni
I 70 77 83 90 97 83.40 112.30 II 37 43 50 57 63 50.00 109.00 III 3 10 17 23 30 16.60 112.30 ¯x = 50.00 892.14
(a) 8
Carry out a one-way ANOVA by hand to test the hypothesis that the treatments
will have different effects (Test at 5% significance).
(b) 2
Can you suggest some follow-up comparisons?
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