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

question 56

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.

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Definitions:

Bundling

The practice of selling two or more products or services together as a single package, often at a discounted rate.

All-you-can-eat Salad Bar

A service model in restaurants where customers pay a fixed price to consume as much salad as they wish from a variety of options.

Price Discrimination

The strategy of selling the same product to different customers at different prices based on willingness to pay.

Tying

A sales practice where a seller requires the purchase of one product to buy another, often used to leverage market power from one product to promote another.