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Q. In correlation analysis, P.E. = ....................0.6745

Q. byx is the regression coefficient of regression equation ...........................

Q. For a binomial distribution, the parameter n takes ...................... values

Q. If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is ..........................

Q. Region of feasible solution in LPP graphical method is called

Q. C.P.M. stands for..........................................................

Q. If r =0.9, coefficient of determination is .........................

Q. The arithmetic mean of bxy and byx is .............................

Q. The term regression was used firstly by .............................

Q. Normal distribution was first discovered by ................................... in 1733 as limiting form of binomial distribution.