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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 i
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QUARTILES The three points on the scale of observation ( or values of the variable) which divide the total frequency into four equal parts are called quartiles for t
Regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual
Steps of Research Proposal Proposal Content The researcher is always given instructions for preparing a proposal that indicate the format to be followed. Funding agencie
Use of t -tables Similar to normal curve tables there exist t- distribution tables. However whereas the properties of the normal curve are constant for all
These models are used when one must decide the optimal time to replace equipment for one reason or the other for instance, in the case of equipment whose efficiency dete
classification
Problem based on graphical solution of a given LPP when feasible region is bounded. 1. Solve the following linear programming graphically; Maximize and minimize z = 60x+
G. Ambler has € 10000 available for a second hand car, but would like to buy a fast car that costs € 25000. He needs the money for that car quickly, and would like to increase his
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