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Degree of Correlation ship 1. Perfect Correlation: When changes in two related variables are exactly proportional there is perfect correlation between them. In case
#question. 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 grad
MEAN DEVIATION Mean deviation of a series is the arithmetic average of the deviations of various items from the median or mean of that series. Median is preferred
scope of operation research
Categories of Information in Social Sciences: It would be useful, particularly in social sciences, to group information into three categories: • Statistical Information
Calculation of Standard Deviation - Discrete Series There are three methods for calculating standard deviation in discrete series": a. Actual Mean Methods: It inc
Maps, Atlases and Globes: Maps illustrate the distribution of many things that occur on the surface of the earth. Information is presented by the use of a vast array of symbol
the dual form of the following lpp min z=3x1+2.5x2 constraints:2x1+4x2>=40, 3x1+2x2>=50 and x1,x2>=0
DECILES The nine points on the scale of observations ( or values of the variable) which divide the total frequency into ten equal parts are called deciles for the data
Methods of calculation of standard deviation a. Calculation of Standard Deviation - Individual Series: There are two methods of calculating standard deviation in an ind
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