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 more than 2 hours reading story books on average?
A)8
B)130
C)175
D)687

Question

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 more than 2 hours reading story books on average?
A)8 
B)130 
C)175 
D)687

Quizplus · Accepted Answer

The scenario given only includes data on the number of hours spent watching TV and weights, and does not provide information on the number of hours spent reading. Therefore, it is impossible to determine how many children spent less than 2 hours watching TV and more than 2 hours reading story books on average.

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