Multiple Choice
In order to use the pooled sample variance when testing the difference in two population means,what must be assumed?
A) The sample means are unbiased estimates of the population means.
B) The population variances are equal.
C) The population means are equal.
D) The population variances are inversely proportional.
E) The sample means are unequal.
Correct Answer:

Verified
Correct Answer:
Verified
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