MEASURES OF CENTRAL TENDENCY FREQUENCY DISTRIBUTIONS 2 MEASURES OF DISPERSION 2 PROBABILITY 2 SKEWNESS AND KURTOSIS 2 ANALYSIS OF VARIANCE 1 CLASSIFICATION AND SUMMARIZATION OF DATA 1 COLLECTION, EDITING, CLASSIFICATION AND TABULATION OF DATA 1 CORRELATION AND REGRESSION 1 CORRELATIONAL TECHNIQUES 1 DIAGRAMS AND GRAPHS 1 DISPERSION 1 INDEX NUMBERS 1 RELATIVE STANDING 1 SIGNIFICANCE OG MEAN 1 TIME SERIES 1 VARIABILITY 1