TABLE 11-13 Recent Studies Have Found That American Children Are More Obese

question 73

Multiple Choice

TABLE 11-13
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 regard 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 11-13, 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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