TABLE 12-12 Recent Studies Have Found That American Children Are More Obese

question 91

Multiple Choice

TABLE 12-12
Recent studies have found that American children are more obese than in the past. The amount of time children spent watching television has received much of the blame. A survey of 100 ten-year-olds revealed the following with regards to weights and average number of hours a day spent watching television. We are interested in testing whether the average number of hours spent watching TV and weights are independent at 1% level of significance.

-Referring to Table 12-12, the degrees of freedom of the test statistic are

• A) 1
• B) 2
• C) 4
• D) 9

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Definitions:

Marginal Revenue Product

This term refers to the additional revenue generated from using one more unit of input, illustrating the contribution of that unit to the total output's revenue.

Last Unit

Refers to the final item or unit produced or consumed, which can be significant in determining the marginal cost or utility.

Labor Employed

The total number of workers who are currently hired and working in a given sector or economy.

Marginal Resource Cost

The cost of producing one additional unit of a resource or input.