GENERAL RULES OF SECRECY

Graphic forms (histogram, polygon, curve and ogive) (use graph papers). Unit 3 : Statistical Tools and Interpretation. 45 periods (25 marks) a. Measures of Central Tendency - mean, median and mode. b. Measures of Dispersion – absolute dispersion (range, quartiles, quartile deviation, mean deviation and standard deviation), relative dispersion ... ................
................