T-Test in SAS

DATA A;

INPUT GROUP $ HEIGHT;

mars   72

venus 56

venus 68

mars 69

venus 71

.

.

.

PROC SORT;

    BY GROUP;

PROC TTEST;

    CLASS GROUP;

RUN:

Notes:

the dollar sign on the input statement indicates that the variable "group" is alphabetic.

TTest requires the groups to be ordered, the PROC SORT assures that the groups will be ordered.

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