A Normal Age-Related Change in Older Adults That Makes Them

question 1

Multiple Choice

A normal age-related change in older adults that makes them susceptible to cardiovascular disease is:

• A) Increase in cardiac output
• B) Increase in stroke volume
• C) Stiff peripheral vessels
• D) Oxygen capacity improvement

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Definitions:

Degrees of Freedom

Defines the number of independent values or quantities that can vary in an analysis without breaking any constraints.

Two-Sample T Test

A statistical analysis used to compare the means of two independent samples to determine if there is a statistically significant difference between them.

Pooled Estimate

A method to estimate a combined variance from two or more groups that assumes the groups have the same variance.

F Test

A statistical test used to determine if there are significant differences between the variances of two or more samples.