CASE STUDY 27.3 CHILDREN ON THE GO

question 7

Essay

CASE STUDY 27.3
CHILDREN ON THE GO
For Questions , use the following narrative
Narrative: Case study 27.3 summary
The researchers of this study concluded that children who move often are 35 percent more likely to fail a grade and 77 percent more likely to have behavioral problems than children whose families move rarely.These results were based on a nationwide study of 9,915 youngsters aged 6-17."High movers" were defined as those who had moved at least 6 times.High movers were 1.35 times more likely to have failed a grade and 1.77 times more likely to have developed at least four frequent behavioral problems (ranging from depression to impulsiveness to destructiveness).The results were adjusted for poverty, single parenting, belonging to a racial minority, and having parents with less than a high school education.

-{Case study 27.3 narrative} The sample size in this study is very large, which may cause some problems.Explain why, and what was missing from the results that might have helped the reader determine the magnitude of the differences observed.

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Definitions:

Uniform Distribution

Describes a situation in which all outcomes are equally likely, such as the roll of a fair die.

Waiting Time

The duration a customer or a process has to wait before its service begins or a specific event occurs, often analyzed in queue theory and operations research.

Probability Density Function

A function that represents the probability of a random variable assuming a specific value.

Uniform Distribution

A type of probability distribution where all outcomes are equally likely; any one of several outcomes has an equal chance of occurring.