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In this method variables beings studied are controlled by the investigator. In other the effect of one variable is observed while other relevant variables are held constant.
This methods includes field experiment as well as laboratory experimentation. In field experiment the study is conducted b comparing experimental group with the control group. In laboratory experiment the investigator creates a situation with the exact conditions he wants to have and in which he controls some and manipulates other variables. He then observes and measures the effect of the manipulation of the independent variables on the dependent variables in a situation in which the operation of other relevant factors is held to a minimum.
. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
Techniques of Work Measurement A number of work measurement techniques have been developed to suit different types of work . There are: 1. Repetitive work: The
Preparation of Script The most tedious and arduous takes is the preparation of the script. While you have all the ideas and points will should stored up in the mi
The town of Silverton, Colorado, has three gasoline stations, Shell, Exxon, and Arco. Customer selection of service stations can be modeled as a Markov process, with the following
A paper mill produces two grades of paper viz., X and Y because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons ot grade Y paper in
SING TEST The sign test is the simplest of the parametric tests. Its name comes from the fact that it is based on the direction ( or sings for pluses or minuses ) of
Properties of Normal Distribution a.It is a continuous probability distribution having parameters m and . b.The normal curve is perfectly symmetrical about the mean (
Usage in the Context of Library and Information Services: In library and information science, there is, however, no need for making such distinction between data and informati
Non-Documentary Sources: On the other hand, non-documentary sources are institutional and human resources, both of which are important links in the information-transfer chain.
in a rectangular game ,pay of matrix of player A is as follows
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