- #1

Hummingbird25

- 86

- 0

## Homework Statement

Howdy I got a datasheet in the SAS data system with 3 variables and 60 obs.

How do I most simply get SAS to calculate the variance?

## Homework Equations

## The Attempt at a Solution

data cnn;

input vara varb snt@@;

datalines;

...

...

...

run;

proc sort;

by vara;

run;

proc means;

by vara;

run;

Which code to I add to get it to calculate the variance of the three vars??

Thanks in advance

Maria.