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Mathematics, 06.06.2020 15:58 lbelle

In a data distribution, the first quartile, the median and the means are 30.8, 48.5 and 42.0 respectively. If the coefficient skewness is −0.38 a) What is the approximate value of the third quartile (Q3 ), correct to 2 decimal places.
b)What is the approximate value of the variance, correct to the nearest whole number

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In a data distribution, the first quartile, the median and the means are 30.8, 48.5 and 42.0 respect...

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