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    Independent sample t test

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    Test the hypothesis of no differences for average payback period (years) necessary to justify solar heating systems for residences.

    Savings and Loans Other Financiers
    X1 = 8.7 X2 = 7.7
    S2/1 = .5 S2/2 = .6
    n1 = 100 n2 = 64.

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    https://brainmass.com/statistics/students-t-test/hypothesis-differences-independent-sample-ttest-255374

    Solution Preview

    What test of differences is appropriate in each of the following situations and why?
    (a) Average campaign contributions of Democrats, Republicans, and Independents are to be compared.

    ANOVA: Here a comparison of ...

    Solution Summary

    The solution provides step-by-step method for the calculation of t test statistic. Formula for the calculation and Interpretations of the results are also included.

    $2.19

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