Which of the Following Statements Is True About an Individual's

question 9

Multiple Choice

Which of the following statements is true about an individual's sleep?

• A)The level of stress is independent of the quality or amount of sleep.
• B)Family and social obligations predominantly lead to long hours of sleep in an individual's life.
• C)Usually five hours of sleep a day is necessary for the optimal performance of an individual.
• D)Chronic sleep deprivation may contribute to cardiovascular disease and a shortened life span.

---

Definitions:

Test Statistic

A standardized value used in statistical hypothesis testing to decide whether to reject the null hypothesis.

Critical Value

A statistical threshold value used in hypothesis testing to determine whether to reject the null hypothesis, based on the desired level of significance.

Contingency Table

A table used in statistics to show the frequency distribution of variables, and analyze the relationship between categorical variables.

Qualitative Variables

Variables that categorize or describe attributes or properties of objects, individuals, or conditions, without using numerical values.