Which of the following is NOT a requirement of testing a claim about two population means when sigmaσ1 and sigmaσ2 are unknown and not assumed to be​ equal? Choose the correct answer below.     A. The two samples are independent.   B. Either the two sample sizes are large ​(n 1n1greater than>30 and n 2n2greater than>​30) or both samples come from populations having normal​ distributions, or both of these conditions are satisfied.   C. Both samples are simple random samples.   D. The two samples are dependent.

Q: Test the claim about the difference between two population means u, and u, at the level of…

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Q: Test the claim about the difference between two population means u, and u, at the level of…

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