Let \[\bar{x}\] be the mean of n observations \[{{x}_{1}},{{x}_{2}},...{{x}_{n}},\]if \[(a-b)\] is added to each observation, then what is the mean of new set of observations?

Let \[\bar{x}\] be the mean of n observations \[{{x}_{1}},{{x}_{2}},..

1.	Let \[\bar{x}\] be the mean of n observations \[{{x}_{1}},{{x}_{2}},...{{x}_{n}},\]if \[(a-b)\] is added to each observation, then what is the mean of new set of observations?
A.	0
B.	\[\bar{x}\]
C.	\[\bar{x}-(a-b)\]
D.	\[\bar{x}+(a-b)\]
Answer» E.

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Let \[\bar{x}\] be the mean of n observations \[{{x}_{1}},{{x}_{2}},...{{x}_{n}},\]if \[(a-b)\] is added to each observation, then what is the mean of new set of observations?

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