Question: A proofreader checked 160 ads for grammatical errors. The sample frequency distribution is shown: Number of Errors 0 1 2 Observed Frequency 10 65 71

A proofreader checked 160 ads for grammatical errors. The sample frequency distribution is shown: Number of Errors 0 1 2 Observed Frequency 10 65 71 14 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

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