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The _______ and ________ of a discrete random variable is easy to compute at the console.(a) Mean, Variance(b) Variance, Packages(c) Packages, Functions(d) Median, ModeI had been asked this question in examination.Question is taken from Distribution in portion Distributions, Graphics & Neural Networks of R Programming

Answer»

The correct CHOICE is (a) Mean, Variance

The best explanation: The mean and variance of a discrete random VARIABLE are easy to COMPUTE at the console. To calculate the mean µ, we NEED to multiply the corresponding values of x and f and ADD them.



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