JEE Main 2025 Mathematics question
The variance of the numbers 8, 21, 34, 47, …, 320, is .
Answer: 8788
Solution
AP with 25 terms, mean = 164. Variance = .
The variance of the numbers 8, 21, 34, 47, …, 320, is .
AP with 25 terms, mean = 164. Variance = .