Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The means and variances are obtained from two independent samples.Assume that the populations from which the samples were drawn have unequal variances.
-Determine the number of degrees of freedom for n1 = 10,
= 5,n2 = 12,and
= 9.
Correct Answer:

Verified
Correct Answer:
Verified
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