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For a frequency distribution, the first four moments about x=6 are 3,20,10,30 respectively. Determine the mean, the variance, the third and fourth moments about the

For a frequency distribution, the first four moments about x=6 are 3,20,10,30 respectively. Determine the mean, the variance, the third and fourth moments about the mean. Comment on skewness and kurtosis of this data.

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