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

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TABLE 12-12
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 average number of hours spent watching TV and weights are independent at 1% level of significance.
TABLE 12-12 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 average number of hours spent watching TV and weights are independent at 1% level of significance.    -Referring to Table 12-12, how many children in the survey spend no more than 6 hours watching TV and are more than 10 lbs. underweight? A)  5 B)  10 C)  15 D)  20
-Referring to Table 12-12, how many children in the survey spend no more than 6 hours watching TV and are more than 10 lbs. underweight?


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