Question

    A statistical test to determine whether two population

    means are different when the variances are known and the sample size is large is known as ……………….
    A Z test Correct Answer Incorrect Answer
    B Chi square test Correct Answer Incorrect Answer
    C F test Correct Answer Incorrect Answer
    D T test Correct Answer Incorrect Answer

    Solution

    A statistical test to determine whether two population means are different when the variances are known and the sample size is large is known as z test.

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