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The standard deviation for the scores 1...

The standard deviation for the scores 1,2,3,4 ,5,6,and 7 is 2. Then , the standard deviation of 12,23,34,45,56,67and78 is a)2 b)4 c)22 d)11

A

2

B

4

C

22

D

11

Text Solution

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The correct Answer is:
C
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