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    How do you test the data for car accidents while using a cell phone?

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    The Iowa Department of Transportation is concerned with the use of cellphones while driving. It commissioned a survey of drivers to see what relationship there might be between use of cellphones and accidents. The survey yielded the following data:
    Had an accident Did not have accident
    in the last year in the last year

    Uses cell phone while driving 25 300

    Does not use cell phone 50 400
    while driving

    What do you conclude from this data (use the ,05 significance level)?

    © BrainMass Inc. brainmass.com October 10, 2019, 3:27 am ad1c9bdddf
    https://brainmass.com/statistics/chi-squared-test/test-data-car-accidents-cell-phone-420913

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    Prob and Stats Help!
    The Iowa Department of Transportation is concerned with the use of cell phones while driving. It commissioned a survey of drivers to see what relationship there might be between use of cell phones and accidents. The survey yielded the following data

    Had an accident Did not have accident
    in the last year in the last year

    Uses cell ...

    Solution Summary

    This solution shows a step by step method for computing the test statistic for a Chi-Square test in an attached Word document.

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