A Researcher Is Interested Consumer Preferences Among Three Brands of Yogurt.A

Essay

A researcher is interested 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:​ $$\begin{array} { | c | c | c | } \hline \text { Brand A } & \text { Brand B } & \text { Brand C } \\\hline 37 & 21 & 32 \\\hline\end{array}$$ ​Do the data indicate any significant preferences among the three brands? Test at the .05 level of significance.