For a frequency distribution mean = 68.2; median = 69 and coefficient of skewness of the distribution is – 0.6. The variance of the distribution is

Related MCQs

• For a frequency distribution coefficient of skewness = 0.6; mean = 172 and mode = 163. The value of the variance is
• For a given frequency distribution C.V = 30%, variance = 36 and Pearson’s Coefficient of Skewness = - 0.25, the mode of the distribution is
• The 1st and 3rd quartiles of a frequency distribution are respectively 25 and 45. If the coefficient of skewness be – 0.1, then the median is
• The coefficient of skewness of a distribution is 0.4. Its S.D and mean are respectively 8 and 30. The mode of the distribution is
• Given : Q3 – Q1 = 8, Q3 + Q1 = 22, Median (Q2) = 10.5. The coefficient of skewness is
• If the relation between two variables x and y be 5x + 7y = 28 and median of y be 3, then the median of x is
• For a symmetrical distribution first quartile and median are respectively 20 and 24. The third quartile of the distribution is
• If for a symmetrical distribution 1st and 3rd quartiles are respectively 16 and 22, then the Median of the distribution is
• For a symmetric distribution, skewness is
• The mean deviation of the observations 3, 5, 9, 1 and 2 about their median is