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Categories of Information in Social Sciences: It would be useful, particularly in social sciences, to group information into three categories: • Statistical Information
These models are used to develop a method to evaluate the merit of alternative courses or action by representing with a mathematical model of the problems where various variab
Panel Sampling Here the initial samples are down on random basis and information from these is collected on regular basis. Itis semi permanent sample where members may
Use of the Graphs a . It simplifies the complexities of large numbers or that of large mass of data. In general graphical or some other method or representation is ad
Types of Correlation 1. Positive Correlation : When the values of two variables move in the same direction .e. when an increase in the values of one variables is ass
retail outlet x y volume A 6 9 80
Methods of Survey and Study: Some methods of collecting information about the organisation and about the information requirement of potential users are mentioned below. No si
Degree of Correlation ship 1. Perfect Correlation: When changes in two related variables are exactly proportional there is perfect correlation between them. In case
Merits a.It is simple to understand and easy to calculate. b.It is very useful in the case of data which are of qualitative nature like intelligence honesty be
Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
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