PSY 520 Week 7 Discussion 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 |
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A | B | C | D |
12 | 18 | 28 | 22 |
PSY 520 Week 7 Discussion 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.
| Institution & Term/Date | |
| Term/Date | Grand Canyon |
PSY 520 Topic 7 Discussion Question 1 and 2 with Answers
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