JEE Mains 13-Apr-2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 22 of 90
 
Marks: +1, -0
Let the mean of the data
  x  1  3  5  7  9
 Frequency (f)  4  24  28   a  8
be 5 . If m and σ2 are respectively the mean deviation about the mean and the variance of the data, then ‌
3α
m+σ2
is equal to _____.
[13-Apr-2023 shift 1]
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