A Proofreader Checked 160 Ads for Grammatical Errors At ? = 01, What Decision Would We Reach in a Goodness-Of-Fit Test

question 62

Multiple Choice

A proofreader checked 160 ads for grammatical errors. The distribution obtained is shown: $$\begin{array} { | l | c | c | c | c | } \hline \text { Number of Errors } & 0 & 1 & 2 & 3 \\\hline \text { Observed Frequency } & 10 & 65 & 71 & 14 \\\hline\end{array}$$ At ? = .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.

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Definitions:

Standardized Specifications

Guidelines and criteria set to ensure that materials, products, processes, and services meet consistent quality and performance standards.

War Industries Board

Board run by financier Bernard Baruch that planned production and allocation of war materiel, supervised purchasing, and fixed prices, 1917–1919.

Production Efficiency

A state in which a system or process operates at the maximum capacity, using the least amount of resources and time, without compromising the quality of its output.

Selective Service Act

Law passed in 1917 to quickly increase enlistment in the army for the United States’ entry into World War I; required men to register with the draft.