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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,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 more than 2 hours of story books on average can we expect? A) 42.09 B) 155.25 C) 262.92 D) 987.75
-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 more than 2 hours of story books on average can we expect?


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Cash Account

An account that records cash transactions both received and expended, reflecting the cash position of a business at any given time.

Raw Material

Raw material refers to the basic, unprocessed inputs used in the production of goods and services; they are the essential components required in the manufacturing process.

Standard Costs

Predetermined costs for products or services, used as benchmarks to measure actual production costs.

Cash Account

An account that reflects the amount of cash a company has on hand, which includes currencies, checks, and balances in bank accounts.

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