Explore BrainMass

Explore BrainMass

    P-Value of Weight Loss

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

    31. A new weight-watching company, Weight Reducers International, advertises that those
    who join will lose, on the average, 10 pounds the first two weeks with a standard deviation
    of 2.8 pounds. A random sample of 50 people who joined the new weight reduction program
    revealed the mean loss to be 9 pounds. At the .05 level of significance, can we
    conclude that those joining Weight Reducers on average will lose less than 10 pounds?
    Determine the p-value

    © BrainMass Inc. brainmass.com June 3, 2020, 11:01 pm ad1c9bdddf
    https://brainmass.com/statistics/hypothesis-testing/p-value-259846

    Attachments

    Solution Preview

    See the attached file. Thanks

    Data

    Step 1: Set the hypothesis. The claim made will be the alternate hypothesis.
    H0: = 10
    H1: < 10

    Step 2: Set the Level of Significance
    Level of significance a = 0.05

    Step 3: Determine the type of ...

    Solution Summary

    This solution conducts a statistical analysis by stating the null and alternative hypothesis, setting the level of significance, calculating the test statistic, comparing it to the p-value and making a final decision in accepting or rejecting the null hypothesis.

    $2.19

    ADVERTISEMENT