The difference between the two means using natural units of data is a.            Unstandardized difference between means b.            Standardized difference between means Variance can be measured...

The difference between the two means using natural units of data is

a.            Unstandardized difference between means

b.            Standardized difference between means

Variance can be measured as the

a.            Square of standard deviation

b.            Highest minus lowest number in a set

c.             Center point in a set of ascending numbers

d.            Average distance from the mean