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

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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. 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,how many children in the survey spent less than 2 hours watching TV and no more than 2 hours reading storybooks on average? A) 8 B) 130 C) 175 D) 687
-Referring to Scenario 12-12,how many children in the survey spent less than 2 hours watching TV and no more than 2 hours reading storybooks on average?


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