Step deviation method

What is a Grouped Frequency Distribution Table

April 19, 2023

What is a Grouped Frequency Distribution TableThere are 3 methods for calculation of mean :Direct MethodAssumed mean deviation methodStep deviation method.1. Direct Method for Calculation of Mean According to direct method 2. Assumed Mean Method Arith…

Correlation

Dec. 10, 2020

CorrelationThe relationship between two variables such that a change in one variable results in a positive or negative change in the other variable is known as correlation. Types of correlationPerfect correlation: If the two variables vary in such a mann…