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Q. Coefficient of concurrent deviation depends on ..........................
Q. npq is the variance of ....................................
Q. Karl Pearson’s coefficient of correlation is denoted by the symbol ..................
Q. If two independent random variables follow binomial distribution, their sum follows..............
Q. The coefficient of correlation between two variables, X and Y , will have negative sign when……
Q. Regression lines are also called .........................
Q. bxy x byx = ..............................
Q. Mean and variance of Poisson distribution is equal to ...............................
Q. ...........................distribution gives a normal bell shaped curve.
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