1. This measure refers to the spread of the

values about the mean:

___________

2.__________deviation that refers to

the deviation of set of data about the mean.

3.__________deviation indicates how

closely the values of a given data set are

clustered around the mean

4. The positive square of standard deviation

Is called____________

5.___________is the simplest measure of

Variability which is the difference between the

largest value and the lowest value.