A Proofreader Checked 160 Ads for Grammatical Errors Using a Goodness-Of-Fit Test to Determine Whether This Distribution Is

Multiple Choice

A proofreader checked 160 ads for grammatical errors. The sample frequency distribution is shown: $$\begin{array} { | l | c | c | c | c | } \hline \text { Number of Errors } & 0 & 1 & 2 & 3 \\\hline \text { Observed Frequency } & 10 & 65 & 71 & 14 \\\hline\end{array}$$ Using a goodness-of-fit test to determine whether this distribution is uniform would result in a chi-square test statistic of approximately:

A) 55.
B) 79.
C) 85.
D) 161.