When is it appropriate to use the paired difference t-test? - 6420

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Request Description

 When is it appropriate to use the paired difference t-test? 

A. Two independent samples are compared 

B. Two dependent samples are compared

C. Four samples are compared at once 

D. Any two samples are compared 

 
Solution Description

In a test for the equality of two variances (two-tailed), when the populations are normal, a 5% level of sig