Suppose we are conducting the following hypothesis test at the 10% significance level. HO: µ1 - µ2 = 0 Ha: µ1 - µ2 < 0 Assume equal population variances. If n1 = 9 and n2 = 7, what critical value forms the rejection region? %3D Ot=-1.345 O z = 1.28 Ot= 1.345 O z = -1.28
Suppose we are conducting the following hypothesis test at the 10% significance level. HO: µ1 - µ2 = 0 Ha: µ1 - µ2 < 0 Assume equal population variances. If n1 = 9 and n2 = 7, what critical value forms the rejection region? %3D Ot=-1.345 O z = 1.28 Ot= 1.345 O z = -1.28
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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Transcribed Image Text:Suppose we are conducting the following hypothesis test at the 10% significance level.
HO: µ1 - u2 = 0
Ha: µ1 - µ2 < 0
Assume equal population variances.
If n
= 9 and n2 = 7, what critical value forms the rejection region?
%3D
O t= -1.345
O z = 1.28
O t= 1.345
O z = -1.28
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