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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, Mode I had been asked this question in examination. Question is taken from Distribution in portion Distributions, Graphics & Neural Networks of R Programming Select the correct answer from above options

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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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