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

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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


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

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