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    Variances

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    A real estate agent wishes to see if there is a difference in appraisal values given to homes by real estate appraisers and by tax assessors.

    Real Estate Appraisers Tax Assessors
    Means $83,256 $88,354
    S $ 3,142 $ 2,341
    N 15 15

    Find the test value. ONLY!!!

    In testing for a difference between the variances for the previous problem, the test value is: 1.342. What is the decision if the researcher tests for a difference in the variances at the 0.05 level of significance?

    © BrainMass Inc. brainmass.com June 3, 2020, 5:15 pm ad1c9bdddf
    https://brainmass.com/statistics/hypothesis-testing/variances-19504

    Solution Preview

    The Sample mean difference is Md=88,354-83,256= 5098
    <br>The combined standard error is
    <br>SE=SQRT[(SD^2+SD^2)/N] = SQRT[(3,142^2+ ...

    Solution Summary

    A real estate agent wishes to see if there is a difference in appraisal values given to homes by real estate appraisers and by tax assessors.

    Real Estate Appraisers Tax Assessors
    Means $83,256 $88,354
    S $ 3,142 $ 2,341
    N 15 15

    Find the test value. ONLY!!!

    In testing for a difference between the variances for the previous problem, the test value is: 1.342. What is the decision if the researcher tests for a difference in the variances at the 0.05 level of significance?

    $2.19

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