A Researcher Wants to Determine Whether the Number of Minutes $$\chi _ { 0 } ^ { 2 }$$

question 71

Multiple Choice

A researcher wants to determine whether the number of minutes adults spend online per day is related to gender. A random sample of 315 adults was selected and the results are shown below. Find the critical value $$\chi _ { 0 } ^ { 2 }$$ to determine if there is enough evidence to conclude that the number of minutes spent online per day is
Related to gender. Use $$\alpha$$ = 0.05. $$\begin{array} { l | c c c c } & { \text { Minutes spent online per day } } \\\hline \text { Gender } & 0 - 30 & 30 - 60 & 60 - 90 & 90 + \\\text { Male } & 25 & 35 & 75 & 45 \\\text { Female } & 30 & 45 & 45 & 15\end{array}$$

• A)7.815
• B)9.348
• C)11.345
• D)6.251

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Definitions:

Value Chain

The full range of activities that businesses go through to bring a product or service from its conception to its end use by consumers.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including the cost of the materials and labor directly used to create the product.

Cost of Goods Manufactured

The total cost of all materials, labor, and overhead used to produce goods during a specific period.

Cost of Goods Purchased

The total expense incurred by a company to buy the goods it has sold or will sell, excluding any indirect costs.