Review the three “Non Parametric” test videos in the Calculations section of the “Statistics Visual Learner” media piece.
How would you create a statistical analysis based on the scenario below? Explain. What level of significance would you test at and why?
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 using the chi-square test?
Ice Cream Flavor | |||
A | B | C | D |
12 | 18 | 28 | 22 |