Stroke Fatality Rates Have Declined by One-Third Since 1980

question 94

True/False

Stroke fatality rates have declined by one-third since 1980.

---

Definitions:

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how spread out the values are from the mean.

Index Fund

A fund created to adhere to specific predefined criteria, enabling it to mirror the performance of a chosen collection of investments.

PHStat

A software package that enhances Microsoft Excel with statistical analysis capabilities.

Variance

A measure of how spread out a set of numbers is, indicating the variability from the mean.