Which one is not basis of classification of data.

The probability of getting 9 cards of the same suit in one hand at a game of bridge is

Completely Randomized Design provides maximum number of degree of freedom for the:

The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:

If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?

If moment generating function of continuous random variable X is (λ /λ−t) ;t < λ, then E(X³) equals to:

Which of the following is a sources of primary data?

For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)^th   moment (µ²2j+1) is