TABLE 12-13 Recent Studies Have Found That American Children Are More Obese

question 188

True/False

TABLE 12-13
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 mean number of hours spent watching TV and weights are independent at 1% level of significance.

-Referring to Table 12-13, the test is always a one-tail test.

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Definitions:

Production Possibilities Curve

A graph that shows the maximum number of possible units of two commodities that a economy can produce with available resources and technology.

Marginal Benefit

The incremental gain in happiness or usefulness obtained through consuming an extra unit of a good or service.

Marginal Cost

Marginal cost is the cost incurred by producing one additional unit of a product or service, emphasizing the concept of variable costing.

Resource Allocation

The process of allocating resources, including capital, labor, and materials, among competing uses or projects in an efficient manner.