What Was the Approximate Life Expectancy in 1900

question 44

Multiple Choice

What was the approximate life expectancy in 1900?

• A)50 years
• B)60 years
• C)70 years
• D)80 years

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Definitions:

Independent Variables

Variables in an experiment or observational study that are manipulated or categorized to observe their effect on dependent variables.

Dependent Variable

The variable in a study or experiment that is expected to change in response to changes in the independent variable.

Multiple Regression Equation

An equation that models the linear relationship between a dependent variable and multiple independent variables.

Expected Value

A measure of the central location of a random variable.