A Study Determines That the Mean Blood Cholesterol Level Is

question 5

Multiple Choice

A study determines that the mean blood cholesterol level is 195 mg/dL in 200 non-diabetic hospitalized patients and 210 mg/dL in 180 diabetic hospitalized patients.  The probability that the observed difference is due to chance alone is reported to be 5%.  There is also a 20% probability of concluding that there is no difference in blood cholesterol level when there is one in reality.  What is the power of the study?

• A)0.05
• B)0.20
• C)0.50
• D)0.80
• E)0.95

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Definitions:

Gender Identity

An individual's personal sense of their own gender, which may or may not align with the sex they were assigned at birth.

Status Variables

Variables that indicate or reflect an individual's social or professional position, often used in research to examine effects of social status on various outcomes.

Psychological Treatments

Therapeutic interventions designed to address and alleviate mental health issues primarily through verbal communication, behavior modification, and cognitive restructuring.

Independent Variable

The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable.