Ninety-five percent of the data points will fall within two standard deviations of the mean.

Only 75% of the data points will fall within two standard deviations

At least 75 percent of the data points will fall within two standard deviations of the mean.

The 2-sigma rule only applies to nominal level data

A positive slope

A negative slope

A positive intercept

A negative intercept

1,500 min; 2,500 max

1,600 min; 2,400 max

1,700 min; 2,300 max

1,750 min; 2,250 max

A tool to help visualize the distribution of data

The value that occurs most often among a data set

Representations of the median salary in an organization's pay grades

The most common method of representing unweighted means

The slope of the line

The point where the line of best fit crosses the x-axis corresponding to a y-value of zero

The mean for y

The intercept for the line of best fit

Percent difference

Percent adjustment

Compound interest

Compa-ratio