The Number of Americans Without Health Insurance, in Millions, from 1995

question 129

Multiple Choice

The number of Americans without health insurance, in millions, from 1995 through 2002 is summarized in the following table. What is the standard deviation of Americans without health insurance in the period from 1995 through 2002?

• A) million
• B) million
• C) million
• D) million
• E) million

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Definitions:

Standard Normal Distribution

A probability distribution that has a mean of 0 and a standard deviation of 1.

Greater Than

A mathematical expression indicating that one quantity is larger than another.

Z-scores

Standardized scores that measure how many standard deviations a data point is from the mean, used for comparison across different data sets or variables.

Standard Normal Distribution

A normal distribution with a mean of 0 and a standard deviation of 1.