GC PSY520 Week 7 Discussion 1 & 2 Latest 2017 January

GC PSY520 Week 7 Discussion 1 & 2 Latest 2017 January

Question # 00477960 Posted By: katetutor Updated on: 02/05/2017 11:04 PM Due on: 02/06/2017
Subject Psychology Topic General Psychology Tutorials:
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dq 1

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



dq  2

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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    Tutorial # 00474178 Posted By: katetutor Posted on: 02/05/2017 11:07 PM
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