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What is meant by Dispersion? The extent to which individual observations spread out from the central value is called dispersion.

CENTRAL TENDENCY | MEASURES OF CENTRAL TENDENCY

What is meant by Central Tendency? A measure of central tendency gives information about the central position of data. This

What is mean by a presentation of Data? There are various methods of collecting statistical raw data. Whatsoever method is

What is Data Collection? We know that Data Collection is an important element in Survey method. data are collected in

What is questionnaire? To collect information about the problem under study different can be utilized. It can be the questionnaire