GCU PSY520 2019 March Week 7 Discussion Latest

GCU PSY520 2019 March Week 7 Discussion Latest

Question # 00717353 Posted By: katetutor Updated on: 03/07/2019 12:11 PM Due on: 03/07/2019
Subject Education Topic General Education Tutorials:
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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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