1.

If the arithmetic mean of the numbers \[{{x}_{1}},{{x}_{2}},{{x}_{3}},...{{x}_{n}}\] is \[\bar{x}\]. Then the arithmetic mean of numbers \[a{{x}_{1}}+b,a{{x}_{2}}+b,a{{x}_{3}}+b,...a{{x}_{n}}+b,\] Where a, b are two constants would be

A. \[\bar{x}\]
B. \[na\bar{x}+nb\]
C. \[a\bar{x}\]
D. \[a\bar{x}+b\]
Answer» E.


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