A Taste Test of Randomly Selected Students Was Conducted to See

Multiple Choice

A taste test of randomly selected students was conducted to see if there was a difference in preferences among four popular drinks. The following table shows the frequency of responses: $$\begin{array} { | l | c | c | c | c | } \hline \text { Beverage } & \text { Coke } & \text { Pepsi } & \text { A\&EWRoot Beer } & \text { Dr Pepper } \\\hline \text { Frequency } & 51 & 66 & 43 & 40 \\\hline\end{array}$$ The value of the chi-square test statistic you would use in testing whether the preferences are the same among the drinks is:

A) 7.54.
B) 8.12.
C) 10.76.
D) 12.56.