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

question 59

Multiple Choice

SCENARIO 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.
12-30 Chi-Square and Nonparametric Tests
-Referring to Scenario 12-13, how many children in the survey spend more than 6 hours
Watching TV and are more than 10 lbs.overweight?

• A) 1
• B) 9
• C) 20
• D) 40

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Definitions:

Service

An activity, or intangible product, used to satisfy human wants.

Resource Market

A market in which a resource is bought and sold.

Exchange

The act of giving one thing and receiving another, especially of the same kind or value, in return.

Scarce

A condition or situation characterized by the limited availability of resources or goods, leading to competition for their acquisition or use.