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

question 101

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, how many children in the survey spend no more than 6 hours watching TV and are more than 10 lbs. underweight?

• A) 5
• B) 10
• C) 15
• D) 20

---

Definitions:

Basilar Membrane

A structure in the cochlea of the inner ear that vibrates in response to sound and plays a key role in the mechanical to neural transduction of auditory stimuli.

Oval Window

A membrane-covered opening that leads from the middle ear to the inner ear, transmitting sound vibrations to the cochlea.

Ossicle's Amplified Vibrations

The process by which the small bones in the middle ear amplify sound vibrations for hearing.

Cochlea

A spiral-shaped cavity of the inner ear that plays a key role in the process of hearing by converting sound vibrations into nerve impulses.