Question

Refer to Exercise 10.87, comparing mean weight changes in anorexic girls for cognitive behavioral therapy and a control group. The MINITAB output shows results of doing analyses while assuming equal population standard deviations.
MINITAB output for comparing mean weight changes
T-Test of difference = 0(vs not =):
T-Value = 1.68 P-Value = 0.100 DF = 53
Both use Pooled StDev = 7.6369
a. Interpret the reported confidence interval.
b. Interpret the reported P-value.
c. What would be the P-value for Ha: μ1 > μ2? Interpret it.
d. What assumptions do these inferences make?


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  • CreatedSeptember 11, 2015
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