MHT CET Mathematics question
Consider the following frequency distribution
| | A | 2A | 3A | 4A | 5A | 6A | |---|---|---|---|---|---|---| | | 2 | 1 | 1 | 1 | 1 | 1 |
where is a positive integer and has variance . Then, the value of is
Answer: (C)
Solution
, , . \dfrac{92A^2}{7}$ -
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