When Would a Nurse Researcher Opt to Use Measures of Central

question 7

Multiple Choice

When would a nurse researcher opt to use measures of central tendency?

• A) When there is a need to describe how reliably the findings can be generalized
• B) When there is a need to describe how much dispersion is in the sample
• C) When there is a need to describe the accuracy of predictions made
• D) When there is a need to describe the average member of the sample

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Definitions:

Logistic Regression

A statistical method used for predicting a binary outcome from one or more predictor variables, modeling the probability of occurrence of an event by fitting data to a logistic curve.

Indicator Variable

An indicator variable is a numerical variable used in statistics that adopts a value of 1 if a certain condition is met and 0 if it is not.

Binomial Probability

The probability of obtaining a fixed number of successful outcomes in a fixed number of trials in a binomial experiment.

Odds

The ratio of the probability of an event happening to the probability of it not happening; in gambling, it represents the amount won relative to the stake.