A Proofreader Checked 160 Ads for Grammatical Errors

Multiple Choice

A proofreader checked 160 ads for grammatical errors.The distribution obtained is shown below. At α = .01,what decision would we reach in a goodness-of-fit test to see whether this sample came from a uniform distribution?

A) Reject the null and conclude the distribution is not uniform.
B) Conclude that there is insufficient evidence to reject the null.
C) No conclusion can be made due to small expected frequencies.
D) No conclusion can be made due to inadequate sample size.