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    T test for the difference between means

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    Backfat thickness is a variable used in evaluating the quality of market hogs. An animal scientist measured backfat thickness (cm) on hogs raised on two different diets, with the following results (see attachment):

    Diet 1 Diet 2
    _
    X 3.49 3.05

    Sx 0.40 0.40

    Use the t test (a=0.01) to compare the average backfat for the two diets, assuming the number of hogs on each diet was:
    a) five
    b) fifteen.

    © BrainMass Inc. brainmass.com December 24, 2021, 4:58 pm ad1c9bdddf
    https://brainmass.com/statistics/students-t-test/test-difference-means-19212

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

    © BrainMass Inc. brainmass.com December 24, 2021, 4:58 pm ad1c9bdddf>
    https://brainmass.com/statistics/students-t-test/test-difference-means-19212

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