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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 folows. Do these data indicate any Ice Cream Flavor 2 28 18 12

math   Statistics-And-Probability   
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Answer #1

Here we have: 乂 0.05 potheses H,: Tha distribution of Preferences are equal for four flov er 1ce.crear ^ Ha: the distritesion of PrefertnecJ are not equel for four flavors

Here using MINITAB for calculation:

Chi-Square Goodness-of-Fit Test for Observed Counts in Variable: Prefrence Using category names in Flavo:r Test Contribution Category Observed Proportion Expected 20 20 20 20 to Chi-Sq 3.2 0.2 3.2 0.2 12 18 28 0.25 0.25 0.25 0.25 N DF Chi-sq P-Value 6.8 80 3 0.079

froh th above output ve have th test shatisirs P-value to. have not suff 2ent es iolence to all to rejecf Concluwon: destribution of preferen ces ore eeued for four flavors of ice -eveom

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