## Related questions with answers

Exposure to Background Television. CNN reports that young children in the United States are exposed to an average of 4 hours of background television per day. Having the television on in the background while children are doing other activities may have adverse consequences on a child's well-being. You have a research hypothesis that children from low-income families are exposed to more than 4 hours of daily background television. In order to test this hypothesis, you have collected a random sample of 60 children from low-income families and found that these children were exposed to a sample mean of $4.5$ hours of daily background television.

a. Develop hypotheses that can be used to test your research hypothesis.

Solution

VerifiedIn this exercise, we need to find the null $H_0$ hypothesis and the alternative $H_a$ hypothesis. The null hypothesis is the polar opposite of the alternate hypothesis. Researchers work to reject the null hypothesis. Researchers develop the alternative hypothesis that they believe explains a behavior, and then try to disprove the null hypothesis.

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