Explore BrainMass

Explore BrainMass

    Five step approach to T test

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

    A random sample of 15 observations provided x-bar = 182 and s = 12.

    (a) Test H0: &#956; = 190 versus H1: &#956; < 190 at &#945; = .05. State your assumption about the population distribution.
    (b) What can you say about the P-value of the test statistic calculated in part (a)?

    A weight loss program advertises "LOSE 40 POUNDS IN 4 MONTHS." A random sample of n = 25 customers has x-bar =32 pounds lost and s = 12. Test H0:&#956; = 40 against H1:&#956; < 40 with &#945; = .05.

    © BrainMass Inc. brainmass.com June 3, 2020, 8:28 pm ad1c9bdddf
    https://brainmass.com/statistics/hypothesis-testing/five-step-approach-to-t-test-139123

    Solution Summary

    Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.

    $2.19

    ADVERTISEMENT