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    Hypothesis Testing: Independent Sample t Test

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    Insurance adjusters are concerned about the high estimates they are receiving from Jocko's Garage. To see if the estimates are unreasonably high, each of 10 damaged cars was taken to Jocko's and to another garage and the estimates recorded. Here are the results:

    Test the null hypothesis that there is no difference between the two garages. Be sure to specify the null and alternative hypotheses, the test statistic with degrees of freedom, and the P-value. What do you conclude?

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    https://brainmass.com/statistics/hypothesis-testing/hypothesis-testing-independent-sample-test-361303

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    Workings are given in the excel sheet.

    Insurance adjusters are concerned about he high estimates they are receiving from Jocko's Garage. To see if the estimates are unreasonably high, each of 10 damaged cars was taken to Jocko's and to another garage and the estimates recorded. Here are the results:

    Car 1 2 3 4 5
    Jocko's
    Other 500
    400 1550
    1500 1250
    1300 1300
    1300 750
    800
    Car 6 7 8 9 10
    Jocko's
    Other 1000
    800 1250
    1000 1300
    1100 800
    650 2500
    2200

    Test the null hypothesis that there is no ...

    Solution Summary

    The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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