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

question 20

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, the critical value of the test will be

• A) 6.635.
• B) 13.277.
• C) 14.860.
• D) 21.666.

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Definitions:

Graphics Display

The visual output device that displays pictures, videos, and animations, produced by computers and other digital devices.

GPU

stands for Graphics Processing Unit, a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.

Securely Erase Data

A process to permanently and irreversibly remove data from a storage device so that it cannot be recovered.

Overwritten

The process of replacing old data with new data in a storage device.