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Consider the following statements : (i...

Consider the following statements :
(i) Mean of 100 observations is 50 and standard deviation is 10. If 5 is added to each observation the new mean and standard deviation are 55, 10.
(ii) Mean of 100 observations is 50 and standard deviation is 10. If each observation is multiplied by 3 then the new mean and standard deviation are 50, 10/3.
The true statements are :

A

a) only (i)

B

b) only (ii)

C

c) both (i), (ii)

D

d) neither (i) nor (ii)

Text Solution

Verified by Experts

The correct Answer is:
A
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