Explore BrainMass

Explore BrainMass

    Degrees of freedom, value of the test statistic, null hypotheses

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    The daily production rates of a sample of sixteen workers in a factory before and after a training program (which was shown to be effective in other plants provided the following results: Use alpha equal to .01
    Mean of the difference scores 5
    Standard deviation of the difference scores =8
    Is this problem, one tail, two tail upper tail, lower tail, a confidence interval, number of degrees of freedom ?
    Value of the test statistic is?
    one would reject or not reject the null hypotheses?

    © BrainMass Inc. brainmass.com June 3, 2020, 5:10 pm ad1c9bdddf
    https://brainmass.com/statistics/hypothesis-testing/degrees-freedom-value-test-statistic-null-hypotheses-16575

    Solution Preview

    Please see attached file.

    The daily production rates of a sample of sixteen workers in a factory before and after a training program (which was shown to be effective in other plants ...

    Solution Summary

    The degrees of freedom, value of a test statistics and null hypothesis is found.

    $2.19

    ADVERTISEMENT