PROBABILITY CORRELATION AND REGRESSION 3 DESCRIPTIVE STATISTICS 2 FREQUENCY DISTRIBUTIONS 2 MEASURES OF CENTRAL TENDENCY 2 ANALYSIS OF VARIANCE 1 CENTRAL TENDENCY 1 CHI-SQUARE TEST 1 COLLECTION, EDITING, CLASSIFICATION AND TABULATION OF DATA 1 CONFIDENCE INTERVAL ESIMATION 1 CORRELATIONAL TECHNIQUES 1 DISPERSION 1 DSCRETE AND CONTINUOUS PROBABILITY 1 F-TEST 1 FACTORIAL DESIGN 1 FREQUENCY DISTRIBUTION 1 GRAPHICAL REPRESENTATION 1 HYPOTHESIS TESTING 1 INDEX NUMBERS 1 MEASURES OF VARIATION 1 NEED FOR STATISTICS 1 NUMERICAL MEASURES 1 PRELIMINARY CONCEPTS 1 PROBABILITY DISTRIBUTIONS 1 PROPERTIES AND DISTRIBUTIONS 1 PROPERTIES SAMPLED POPULATIONS 1 RANDOM VARIABLES 1 REDUCTION OF ERROR 1 RELATIVE STANDING 1 SAMPLES AND POPULATIONS 1