MCQOPTIONS
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| 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. | \[n\,a\bar{x}+nb\] |
| C. | \[a\bar{x}\] |
| D. | \[a\bar{x}+b\] |
| Answer» E. | |