A taste test was conducted with a regular beef pizza. Each of 133 individuals was given two pieces of pizza, one with a whole-wheat crust and the other with a white crust. Each person was then asked whether he or she preferred the whole-wheat or the white crust. The results were as follows: 65 preferred whole-wheat to white crust 53 preferred white to whole-wheat crust 15 had no preference Is there sufficient evidence to verify the hypothesis that the whole-wheat crust was preferred to the white crust at the a = 0.05 level of significance?

  • CreatedAugust 28, 2015
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