If mean of the n observations \[{{x}_{1}},{{x}_{2}},{{x}_{3}},...{{x}_{n}}\] be \[\bar{x},\] then the mean of n observations \[2{{x}_{1}}+3,\,\,2{{x}_{2}}+3,\,\,2{{x}_{3}}+3,...,2{{x}_{n}}+3\] is

If mean of the n observations \[{{x}_{1}},{{x}_{2}},{{x}_{3}},...{{x}_

1.	If mean of the n observations \[{{x}_{1}},{{x}_{2}},{{x}_{3}},...{{x}_{n}}\] be \[\bar{x},\] then the mean of n observations \[2{{x}_{1}}+3,\,\,2{{x}_{2}}+3,\,\,2{{x}_{3}}+3,...,2{{x}_{n}}+3\] is
A.	\[3\bar{x}+2\]
B.	\[2\bar{x}+3\]
C.	\[\bar{x}+3\]
D.	\[2\bar{x}\]
Answer» C. \[\bar{x}+3\]

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If mean of the n observations \[{{x}_{1}},{{x}_{2}},{{x}_{3}},...{{x}_{n}}\] be \[\bar{x},\] then the mean of n observations \[2{{x}_{1}}+3,\,\,2{{x}_{2}}+3,\,\,2{{x}_{3}}+3,...,2{{x}_{n}}+3\] is

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