'कर्पट' का तद्भव रूप

If the sum of lower and upper qualities is 6 and quartile deviation is 1.5, then the value of coefficient of quartile deviation is

The six decile (D6 ) of 5, 3, 2, 6, 8, 4 is:

  The standard error of the given data 15, 5, 12, 10, 20, 4 is

For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:

For the two variables X and Y, the following observations are tabulated

Which of the following is the most relevant for deriving a point estimate?

If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is

With which characteristic movement of a time series would you associate increasing demand of smaller automobiles?