If the mean deviation of numbers 1_ 1 1+d_ 1 1+2 d_ 1 .1+100 d from their mean is 255…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
If the mean deviation of numbers \(1_{1} 1+d_{1} 1+2 d_{1} \ldots .1+100 d\) from their mean is 255, then \(\text { d }\) is equal to
- 10.0
- 20.0
- 10.1
- 20.2
Answer
(B) 20.0
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