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    In testing the equality of the two means below, what is the test statistic?

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    In testing the equality of the two means below, what is the test statistic? (Use the equal variances formula).

    Sample 1 Sample 2
    Sample size 12 8
    Sample mean 115 80
    Sample variance 700 450

    A) 0.28 B) 3.27 C) 2.37 D) 0.14

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    https://brainmass.com/statistics/hypothesis-testing/equal-variances-formula-test-statistic-example-236257

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