Explore BrainMass

Explore BrainMass

    Chi square test for association

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

    The newspaper has charged that your police department responds more slowly to 911 calls in poor neighborhoods than in more wealthy ones. As Captain, you gather the following data [n = 191] to determine whether the allegation is true. Specify the null and alternative hypothesis.

    Police Response Time
    Neighborhood Less than 3 minutes 3 to 7 minutes Over 7 minutes
    socio-economic
    status

    Low 11 17 35
    Medium 16 24 13
    High 48 20 7
    Total 75 61 55

    What do you conclude? [use alpha of 1%]

    © BrainMass Inc. brainmass.com June 4, 2020, 1:18 am ad1c9bdddf
    https://brainmass.com/statistics/chi-squared-test/hypothesis-chi-square-test-for-association-392608

    Solution Preview

    Please see the attachment(s).

    Hypothesis
    The newspaper has charged that your police department responds more slowly to 911 calls in poor neighbourhoods than in more wealthy ones. As Captain, you gather the following data [n = 191] to determine whether the allegation is true. Specify the null and alternative hypothesis.

    Police Response Time
    Neighbourhood Less than 3 minutes 3 to 7 minutes Over 7 minutes
    socio-economic
    status

    Low 11 17 35
    Medium 16 24 13
    High 48 20 7
    Total ...

    Solution Summary

    The solution provides step-by-step method for the calculation of chi square test for association. 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.

    $2.19

    ADVERTISEMENT