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A Researcher Is Interested in Consumer Preferences Among Three Brands  Brand A  Brand B  Brand C 372132\begin{array} { | c | c | c | } \hline \text { Brand A } &{ \text { Brand B } } & \text { Brand C } \\\hline 37 & 21 & 32 \\\hline\end{array}

question 43

Essay

A researcher is interested in consumer preferences among three brands of yogurt.A sample of 90 people is obtained,and each individual is asked to taste each brand and then select his/her favorite.The resulting frequency data are as follows:
 Brand A  Brand B  Brand C 372132\begin{array} { | c | c | c | } \hline \text { Brand A } &{ \text { Brand B } } & \text { Brand C } \\\hline 37 & 21 & 32 \\\hline\end{array}
Do the data indicate any significant preferences among the three brands? Test at the .05 level of significance.


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