In a study on the influence of exercise type on pulse rate and dependence on dietary preference, the following table details Tests of Between-Subjects Effects.
Source of Variation
Type III Sum of Squares
df
Mean square
F
Sig.
Within cells
104435.07
144
725.24
Diet
33024.50
1
33024.50
45.54
.000
Exertype
449.23
2
224.62
.31
.734
Diet x Exertype
757.96
2
378.98
.52
.594
In the same study the following output is produced for exertype x intensity
Multivariate tests of significance (S = 2, M = -1/2, N = 701/2)
Test name
Value approx
F Hypoth
df
Error df
Sig.
Pillai’s
.02368
.86256
4.00
288.00
.487
Hotelling’s
.02412
.85633
4.00
284.00
.491
Wilks’s
.97639
.85947
4.00
284.00
.489
Roy’s
.02068
Source: http://ssc.utexas.edu/docs/stat38.html
Examining Wilk’s value again is reported as F(4,284) = .859, p = .489. What can be concluded about this result?
A. Levels of pulse rate are affected by intensity of type of exercise.
B. Differences in levels of pulse rate are not reliant on intensity of type of exercise in this sample.
C. Exercise does not affect levels of pulse rate.
D. None of the above.
Answer: B
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