Which amongst the given statement is true

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Which amongst the given statement is true?

A. A well-sized random sample is not a good representative of the universe

B. Sampling errors are present both in the census as well as sample survey

C. Law of inertia of large numbers is a corollary of law of statistical regularity

D. While taking a purposive sample, the items are seletcted at random

Answer: Option C

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Assertion (A): If regression coefficient of X on Y is greater than one, regression coefficient of Y on X must be less than one.
Reason (R): The geometric mean between two regression coefficients is the coefficient of correlation.

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B. (A) is true, but (R) is false

C. (A) is false, but (R) is true

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C. 0.4

D. 0.8

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