Objectives
Types of statistics Descriptive and inferential Statistic, Parametric and non parametric statistics; Drawing of frequency distribution; Graphical representation of grouped data : Frequency Polygon, Histogram.
Purpose and types of measures. Characteristics of Mean, Median and Mode; Computation of Mean, Median and Mode.
Concept of variability : Range, Semi Inter – Quartile Range, Standard Deviation
Properties and deviation from NPC.
The concept of correlation, Pearson’s correlation (by assumed mean and by actual mean, only for ungrouped data).