In an experiment designed to test the effectiveness of paroxetine for treating bipolar depression, subjects were measured with the results listed below. Using a 0.05 significance level, test the claim that the populations have the same standard deviation.
Placebo Group: n = 43 sample mean = 21.57 sample standard deviation = 3.87
Paroxetine treatment Group: n = 33 sample mean = 20.38 sample standard deviation = 3.91
Group of answer choices
reject the claim
fail to reject the claim
support the claim
fail to support the claim
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