A researcher used a sample of n=200 students to determine whether there are any

Question

A researcher used a sample of n=200 students to determine whether there are any significant differences in preference for three brands of pizza. Each participant was asked to taste all three brands and select his/her favorite. The number of students who favor each brand was recorded. In order to test if there are any significant differences in preference for the three brands of pizza, what statistical test should be used by the researcher?

A. t-test for independent samples B. Pearson correlation C. Two-factor ANOVA for independent samples D. Chi-Square test for Goodness of Fit

Explanation / Answer

Since we are comparing observed frequencies from expected frequencies to determine whether the difference is significant or not, we will use Chi-Square test for Goodness of Fit.

Option D is correct.

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