PSY520 Week 7 Discussion (dq1+dq2) Latest 2018 November

Question # 00595810
Course Code : PSY520
Subject: Psychology
Due on: 12/12/2018
Posted On: 12/12/2018 05:53 AM
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PSY520 Graduate Statistics

Week 7 Discussion

DQ1 Review the three "Non-parametric" test videos in the Calculations section of the "Statistics Visual Learner" media piece.

A researcher is examining preferences among four new flavors of ice cream. A sample of n = 80 people is obtained. Each person tastes all four flavors and then picks a favorite. The distribution of preferences is as follows. Do these data indicate any significance preferences among the four flavors? Test at the .05 level of significance.

Ice Cream Flavor

A

B

C

D

12

18

28

22

DQ2 Is it true that parametric tests are generally more powerful than nonparametric tests? If so, give two reasons why you might choose to use a nonparametric test instead of a parametric test.

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PSY520 Week 7 Discussion (dq1+dq2) Latest 2018 November

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