Question

18. When populatio
n X with mean u X, is divided by population Y with mean Y, the
mean of resultant population is given by,
​

Answer 1

Answer:

The Canadian Journal of Statistics / La Revue Canadienne de Statistique

Vol. 13, No. 3 (Sep., 1985), pp. 185-199 (15 pages)

Published By: Statistical Society of Canada

Answer 2

Combining random variables

Mean of sum and difference of random variables

Variance of sum and difference of random variables

Intuition for why independence matters for variance of sum

Deriving the variance of the difference of random variables

Combining random variables

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Practice: Combining random variables

Example: Analyzing distribution of sum of two normally distributed random variables

Example: Analyzing the difference in distributions

Combining normal random variables

Practice: Combining normal random variables