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

question 55

Multiple Choice

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, 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

---

Definitions:

Immune Function

The biological processes and mechanisms within an organism that protect against disease by identifying and killing pathogens and tumor cells.

Short Term

Relating to or occurring over a short period of time, often contrasted with long-term memory or planning.

Long Term

Referring to a prolonged period of time, often extending for years or even decades.

Cardiac Problems

Health issues related to the heart that can range from minor disruptions to serious conditions like heart attacks and diseases.