What is meant by Dispersion? The extent to which individual observations spread out from the central value is called dispersion. There are various measures which are used to express the degree of variation quantitatively. These measures are called measures of variation. Let’s discuss in detail measures of dispersion:- MEASURES OF DISPERSION There are two kinds […]
What is meant by Central Tendency? A measure of central tendency gives information about the central position of data. This information is usually very useful in understanding a set of data and is used widely in a number of problems. It has many drawbacks as well, although it is an effective tool of Statistics. For […]
What is mean by a presentation of Data? There are various methods of collecting statistical raw data. Whatsoever method is used in the collection of data, the question arises; what is the procedure for presentation of data? Everyone is aware of the fact that raw data is in great bulk and it is very difficult […]
What is Data Collection? We know that Data Collection is an important element in Survey method. data are collected in various ways.Different methods can be adopted for the data collection e.g. questionnaire method, interview method including personal interviews and telephone interview. Mail survey method is also utilized. Let’s discuss in detail various ways of data collection;- […]
What is questionnaire? To collect information about the problem under study different can be utilized. It can be the questionnaire or any other prescribed test to scale. The main task is to translate the research question into an interview or other instrument constructed for the survey. Selection of tool is determined according to the nature […]