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Number of states share boundaries to Saharanpur – 3 (Haryana, Himachal Pradesh and Uttarakhand)
If the first, second and third moment about origin are 2, 8 and 14. respectively, then Karl Pearson gamma coefficient of skewness y1 is:
For the random variable X with probability density function f(x) = (x−3)2 /5; x = 3, 4, 5, the variance of X is:
The following observations 14, 19, 17, 20, 25 constitute a random sample from an unknown population with mean u and standard deviation σ.
The...
Which of the following is a sources of primary data?
For frequency distribution presentation , which option is wrong.
The variation among the observations of each specific class is known as:
