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A Chi-square test for goodness of fit is used to evaluate preferences for 8 different designs...

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Basic Math

A Chi-square test for goodness of fit is used to evaluatepreferences for 8 different designs of a new automobile. With asample of n = 500 the researcher obtained a Chi-squarestatistic of Chi2 = 15.81. What is the correctstatistical decision for this outcome (assume p<.05)?

  • A. Reject the null hypothesis and conclude that there is nosignificant difference in preferences.

  • B. Reject the null hypothesis and conclude that there is asignificant difference in preferences.

  • C. Fail to reject the null hypothesis and conclude that there isno significant difference in preferences.

  • D. Fail to reject the null hypothesis and conclude that there isa significant difference in preferences.

Answer & Explanation Solved by verified expert
3.6 Ratings (580 Votes)
Null hypothesis There is no significant difference inpreferencesAlternative    See Answer
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