Create a new data set called "Third" from "main" which is $\frac{1}{3}$ the size of "main". Use a

random number generator to assist with this reduction. Keep only variables mrace, frace, &

csex. Hint: Use the slides and$/$or notes as a model for this problem.

Unfinished Code

$*$Lab $6-$ Problem $5$;${?}_{{?}_{?}}$

data

run;

Finished Code

SAS Data Set