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    Chi Square Test for United States Automobiles

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    In recent years, 42 percent of the American made automobiles sold in the United States were manufactured by General Motors, 33 percent by Ford, 22 percent by Damlier-Chrysler, and 3 percent by all others.

    A sample of the sales of American-made automobiles conducted last week revealed that 174 were manufactured by Damlier Chrysler, 275 by Ford, 330 by GM, and 21 by all others.

    Test the hypothesis at the 0.05 level that there has been no change in the sales pattern.

    © BrainMass Inc. brainmass.com June 3, 2020, 8:51 pm ad1c9bdddf
    https://brainmass.com/statistics/chi-squared-test/chi-square-test-united-states-automobiles-155775

    Solution Summary

    The solution uses chi square test to test the hypothesis at the 0.05 level that there has been no change in the sales pattern.

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