Question

Two populations have variances of 104 and 120 respectively. In a two samples hypothesis testing to test for the difference of population means, two independent random samples were drawn from these populations with sizes of 8 and 10 respectively. The standard error of the difference between two sample means is
Select one:
a. 15
b. 5
c. 10
d. 8​

Answer 1

Answer:

A

Explanation:

I am not sure and I am in class 8

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