Students were given different drug treatments before revising for their exams. Some were given a memory drug, some a placebo drug and some no treatment. The exam scores (%) are shown below for the three different groups: Memory Drug Placebo No Treatment 70 37 77 43 10 83 50 17 90 57 23 97 83.40 63 30 Мean 50.00 16.60 Variance 112.30 109.00 112.30 Grand Mean 50.00 Grand Variance 892.14

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Find the dependent and independent variable in this excersice and solve it in spss. 

Students were given different drug treatments before revising for their exams. Some were
given a memory drug, some a placebo drug and some no treatment. The exam scores (%) are
shown below for the three different groups:
Memory
Placebo
No Treatment
Drug
70
37
77
43
10
83
50
17
90
57
23
97
63
30
Мean
83.40
50.00
16.60
Variance
112.30
109.00
112.30
Grand Mean
50.00
Grand Variance
892.14
Transcribed Image Text:Students were given different drug treatments before revising for their exams. Some were given a memory drug, some a placebo drug and some no treatment. The exam scores (%) are shown below for the three different groups: Memory Placebo No Treatment Drug 70 37 77 43 10 83 50 17 90 57 23 97 63 30 Мean 83.40 50.00 16.60 Variance 112.30 109.00 112.30 Grand Mean 50.00 Grand Variance 892.14
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