A store wants to determine if shoe sizes are all equally purchased (i.e. the per
ID: 3367681 • Letter: A
Question
A store wants to determine if shoe sizes are all equally purchased (i.e. the percentage of shoes sold are the same for all sizes), or if there are some sizes that are more or less popular (i.e. the percentage is different). Sample data is collected and shown below Sizes 6 or 6.5 24 7 or 7.5 8 or 8.5 9 or 9.5 10 or 10.5 18 Observed Frequency Proposed Distribution 20% 20% 20% 20% 20% 37 43 25 Which of the following methods is the appropriate statistical test to determine if a difference exists in the mean speeds? Multiple Linear Regression Chi-square test for Goodness of Fit ANOVA (Analysis of Variance) Chi-square test for Independence OExplanation / Answer
Yes, option D is Correct. Chi-Square test for independence is the perfect test here.
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