If the arithmetic mean of the numbers x 1 , x 2 , x 3 ,...........,x n is , then the…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
If the arithmetic mean of the numbers x1, x2, x3,...........,xn is 
, then the arithmetic mean of numbers ax1 + b, ax2 + b, ax3 + b, ......, axn + b, where a, b are two constants would be
, then the arithmetic mean of numbers ax1 + b, ax2 + b, ax3 + b, ......, axn + b, where a, b are two constants would be- \(\bar{x}\)
- \(\mathrm{na} \overline{\mathrm{x}}+\mathrm{nb}\)
- \(\mathrm{a} \overline{\mathrm{x}}\)
- \(a \bar{x}+b\)
Answer
(D) a x +b
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