After reading this article you will learn about the computation of frequency distribution. Any numerical data obtained from quantitative parameters has to be arrange in order systematically and put under a particular system of analysis to obtain a meaningful conclusion. A data obtained from 50 Nigella sativa plants regarding number of capsules per plant are as follows: First, the data [...]
After reading this article you will learn about: 1. Meaning of Median 2. Merits of Median 3. Demerits of Median. Meaning of Median: Median is the value of the middle item of a series when arranged in order of magnitude (ascending or descending order). M = size of (n+ 1)/2 th item, where M stands for median and n for [...]
After reading this article you will learn about the measures of dispersion which is designed to state numerically the extent to which individual observation vary in the average. Range: It is the difference between the largest and smallest observation. Range = Maximum value — Minimum value. Mean Deviation: Mean deviation is the arithmetic mean of absolute deviation from mean or [...]