Used car buyers might expect the price they pay to be related to the quality rat

Question

Used car buyers might expect the price they pay to be related to the quality rating for the condition of the car (Average, Good, Excellent) as evaluated by the car dealer. Listed below are the Excel Data Analysis results for 160 purchases, entering alpha=.05 into the MS Excel dialog box: For this hypothesis test, the correct conclusion is: A. Reject H_0, at the .05 level of significance, there is sufficient evidence to suggest the mean price of at least one of the quality ratings differs. B. Accept H_0, at the .05 level of significance, there is sufficient evidence to prove the mean price of all of the quality ratings are the same. C. Fail to reject H_0, at the .05 level of significance, there is not sufficient evidence to suggest the mean price of at least one of the quality ratings differs. D. None of the above.

Explanation / Answer

Since for between groups,p-value=0.226>0.05,so we can accpet H0 at 5% level of significance and there is sufficient evidence to prove the mean price of all the quality ratings are the same.

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