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-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 Scenario 12-13, if there is no connection between weights and average number of hours spent watching TV, we should expect how many children to be spending no more than 6
Hours on average watching TV and are more than 10 lbs. underweight?
A) 5.8
B) 6.2
C) 8
D) 12

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-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 Scenario 12-13, if there is no connection between weights and average number of hours spent watching TV, we should expect how many children to be spending no more than 6
Hours on average watching TV and are more than 10 lbs. underweight?
A) 5.8 
B) 6.2 
C) 8 
D) 12

Quizplus · Accepted Answer

The Answer of 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-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 Scenario 12-13, if there is no connection between weights and average number of hours spent watching TV, we should expect how many children to be spending no more than 6
Hours on average watching TV and are more than 10 lbs. underweight?
A) 5.8 
B) 6.2 
C) 8 
D) 12

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