STATISTICS
     MATHEMATICAL PROCEDURES THAT INVOLVE THE SUMMARIZATION, ANALYSIS, AND INTERPRETATION OF DATA.

A) DESCRIPTIVE STATISTICS (USING STATISTICS TO DESCRIBE DATA)
          PROCEDURES USED TO SUMMARIZE A SET OF NUMBERS SO AS TO DESCRIBE THEIR ESSENTIAL FEATURES.

B) INFERENTIAL STATISTICA (USING STATISTICS TO MAKE INFERENCES)
           PROCEDURES USED TO DETERMINE IF AN INDEPENDENT VARIABLE HAD A SIGNIFICANT EFFECT