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For discrete distribution, the co-efficient of kurtosis β₂ is -
A given data has mean = 6.5, median = 6.3 and mode = 5.4. It represents -
A systematic sample does not yield good result, if -
Which of the following statement is not true?
The variance of first n natural numbers is -
Residual method is used to measure -
Which of the following is yearly publication of CSO?