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

question 98

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-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.
12-30 Chi-Square and Nonparametric Tests
-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 3-6 hours on
Average watching TV and are more than 10 lbs.underweight?

Definitions:

Millivolts

A unit of electric potential equal to one thousandth of a volt, often used in measuring small voltages.

Absolute Refractory Period

A period immediately following the transmission of an impulse in nerve or muscle in which a neuron or muscle is not responsive to further stimulation.

Neural Impulse

An electrical signal that travels along a neuron's axon, transmitting information throughout the nervous system.

Milliseconds

A unit of time equal to one thousandth of a second, often used to measure very short durations, especially in scientific contexts.