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

question 147

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-yearolds 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 Scenario 12-12,if the null hypothesis of no connection between time spent watching TV and time spent reading story books is true,how many children watching less than 2 hours of TV and reading no more than 2 hours of story books on average can we expect?

• A)35.69
• B)227.23
• C)262.91
• D)969.75

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Definitions:

Mesopotamia

An ancient region located in the eastern Mediterranean, known as the "Cradle of Civilization" for its early developments in agriculture, writing, and urbanization.

Adaptive

Having the capacity to adjust to new conditions or environments, or modify oneself to fit changing situations or demands.

Maladaptive

Describes behaviors or traits that are counterproductive to an individual's survival or reproductive success in a given environment.

Adaptive

The ability of an organism to adjust and change in response to environmental factors, ensuring survival and reproduction.