The Heights (In Cm) for a Random Sample of 60

question 20

Multiple Choice

The heights (in cm) for a random sample of 60 male employees of S&M Construction Company were measured. The sample mean is 166.5, the standard deviation is 12.57, the sample kurtosis is 0.12, and the sample skewness is −0.23. The Jarque-Bera test statistic for normality is assumed to follow a distribution with the following degrees of freedom ________.

• A) k
• B) 2
• C) k − 1
• D) (r − 1)(c − 1)

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Definitions:

Shift Workers

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Metabolic Syndrome

A cluster of conditions including increased blood pressure, high blood sugar, excess body fat around the waist, and abnormal cholesterol or triglyceride levels, that together increase the risk of heart disease, stroke, and diabetes.

Insomnia

Symptom of a number of disorders characterized by an inability to fall asleep or stay asleep.

Suprachiasmatic Nucleus

A tiny area within the hypothalamus part of the brain, tasked with regulating daily biological cycles.