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

question 57

Multiple Choice

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 12-13,suppose the value of the test statistic was 30.00 (which is the correct value) ,which of the following conclusions would be correct?

• A)We will not reject the null and conclude that mean number of hours spent watching TV and weights are independent.
• B)We will reject the null and conclude that mean number of hours spent watching TV and weights are independent.
• C)We will not reject the null and conclude that mean number of hours spent watching TV and weights are not independent.
• D)We will reject the null and conclude that mean number of hours spent watching TV and weights are not independent.

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