The mean and standard deviation of 10 observations are 35 and...

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The mean and standard deviation of 10 observations are 35 and 2 respectively.

List-I List-II

a. Changed mean if each observation is increased by 4 1. 39

b. Standard deviation if each observation is increased by 4 2. 2

c. Changed mean if each observation is multiplied by 5 3. 175

d. Changed standard deviation if each observation is multiplied by 5 4. 10

A. a-1, b-2, c-3, d-4

B. a-2, b-1, c-3, d-4

C. a-3, b-2, c-4, d-1

D. a-4, b-3, c-2, d-1

Answer: Option A

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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.
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List-I	List-II
a. Changed mean if each observation is increased by 4	1. 39
b. Standard deviation if each observation is increased by 4	2. 2
c. Changed mean if each observation is multiplied by 5	3. 175
d. Changed standard deviation if each observation is multiplied by 5	4. 10