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    Data Set Test Claim

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    Use the data set below to test the claim that more than 50% of the are at least 415.

    data set 350,527,480,410,360,470,390,510,430,452,341,385,380,409,500,377,400,380,420,460

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    https://brainmass.com/statistics/hypothesis-testing/data-set-test-claim-3050

    Solution Preview

    When you do hypothesis testing, you have to first claim different hypotheses.

    The first is called the NULL hypothesis

    H0: The average of the data set is at least 415

    Then you have an ALTERNATE hypothesis:

    HA: the average of the data set is less then 415.

    First step, you have to calculate the Average of the group:
    add up all of the numbers, and then divide by the sample ...

    Solution Summary

    The solution uses the data set below to test the claim that more than 50% of the are at least 415.

    data set 350,527,480,410,360,470,390,510,430,452,341,385,380,409,500,377,400,380,420,460

    $2.49

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