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The second and fourth moment about mean for a distribution are 4 and 18 respectively. What is the value of Pearson's coefficient of skewness β ₂ ? ...
The mode of the given data set is 12. The sum of the frequency on both sides of mode are 16. The skewness:
In a two-way ANOVA table
the value of x, FA, FB are:
For a distribution with mean, median, mode and standard deviation 25, 24, 26 and 5 respectively, Karl Pearson's coefficient of skewness equals to:
The mean and median of the distribution are 10 and 11 respectively, then the mode equals to
If a discrete random variable X follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20, the value of P(|X-14| < 5) will be:
If price-quantity are related for base year (0) and current year (1) are
∑ : p0q0 = 260,∑ : p1q0 = 395,∑ : p0q1 = 264,∑ : p1q1 = 422, t...
If the random sample of size n is drawn without replacement from a finite population of size N, the correction factor for standard error of sample mean...
The arithmetic mean of the following frequency distribution of number of members in family in the society
X: ...
