Two independent simple random samples are taken to test the difference between the means of two populations whose variances are

Question

2 years ago

9

Two independent simple random samples are taken to test the difference between the means of two populations whose variances are

not known, but are assumed to be equal. The sample sizes are n1 = 32 and n2 = 40. The correct distribution to use is the
a. t distribution with 73 degrees of freedom
b. t distribution with 72 degrees of freedom
c. t distribution with 71 degrees of freedom
d. t distribution with 70 degrees of freedom

Mathematics

1 answer:

My name is Ann [436] · Answer 1 · 2022-06-02T10:46:13+03:00

My name is Ann [436]2 years ago

3 0

I think it’s 72 degrees of freedom