The worksheet blood has measurements on blood pressure in placebo group and drug group. You are

required to write SAS data step that creates a data set that has the following statistics

a.Mean for placebo and for drug

b.Pooled variance

c.Student's t

Note that your data step must calculate the statistics if the sample size and data are changed

Mean:

P-Test

T-Test

Use take home for reference.

(Column A) drug 105 110 108 112 116 112 108 114

(Column B) placebo 160 140 150 136 146 140 150 138 148 150 156 152