JEE Mains · Maths · STD 11 - 13. statistics
The variance of the numbers \(8,21,34,47, \ldots, 320\) is
- A 8788
- B 8777
- C 8766
- D 8755
Answer & Solution
Correct Answer
(A) 8788
Step-by-step Solution
Detailed explanation
\(\begin{aligned} & 8+(n-1) 13=320 \\ & 13 n=325 \\ & n=25 \\ & \text { no. of terms }=25 \end{aligned}\)…
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