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

question 20

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, the critical value of the test will be

• A) 6.635.
• B) 13.277.
• C) 14.860.
• D) 21.666.

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