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

question 147

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 12-12,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 no more than 2 hours of story books on average can we expect?

• A)35.69
• B)227.23
• C)262.91
• D)969.75

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Definitions:

Periodic Episodes

Episodes that occur at regular or semi-regular intervals, can be related to various medical or psychological conditions.

Major Depressive Disorder

A mental health disorder characterized by persistent feelings of sadness, loss, or anger that interfere with daily activities.

Disruptive Mood Dysregulation Disorder

A psychiatric disorder in children characterized by severe irritability, anger, and frequent, intense temper outbursts.

Uncontrollable Behavior

Actions or reactions that an individual cannot consciously guide or limit, often indicative of underlying psychological conditions.