Which Factor Contributes to Sleep Problems in Older Persons

question 12

Multiple Choice

Which factor contributes to sleep problems in older persons?

• A)Excessive napping
• B)Daily exercise
• C)Lethargy
• D)Rapid eye movement (REM)

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Definitions:

Simple Linear Regression

Simple linear regression is a method for predicting a quantitative outcome using a single explanatory variable, based on the linear relationship between them.

Least Squares

A method in statistics for approximating the solution of overdetermined systems, by minimizing the differences between the observed and predicted values.

Simple Linear Regression

A statistical method used to model the relationship between a single independent variable and a dependent variable by fitting a linear equation to observed data.

Normally Distributed

A statistical distribution that is symmetrical about the mean, where most observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.