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Consider the following hypothesis test H0: µ1=µ2 Ha: µ1≠µ2 The following results are for two independent...

Consider the following hypothesis test

H0: µ1=µ2

Ha: µ1≠µ2

The following results are for two independent samples taken from the two populations.

Sample 1

Sample 2

n1 = 80

n2 = 70

sample 1 mean = 104

sample 2 mean = 106

s1 = 8.4

s2 = 7.6


a. What is the sampling variance for the sample 1 mean?

b. What is the sampling variance for the sample 2 mean?

c. What is the sampling standard deviation for the difference between the two sample means?

d. At the .05 significance level, is there a difference in the means of two populations? Answer

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orchestra answered 2 years ago
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