SOLUTION: if two samples, one of size 14 and the sceond of size 13, are used to test the difference between population means, how many dgrees of freedom are used to find the critical value?

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Question 251652: if two samples, one of size 14 and the sceond of size 13, are used to test the difference between population means, how many dgrees of freedom are used to find the critical value? Assume the population standard deviations are equal
a. 27
b. 26
c. 25
d. 14
e. 13
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if two samples, one of size 14 and the sceond of size 13, are used to test the difference between population means, how many dgrees of freedom are used to find the critical value? Assume the population standard deviations are equal
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df = n1+n2-2 = 27-2 = 25
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Cheers,
Stan H.
a. 27
b. 26
c. 25
d. 14
e. 13