3, 8, 28, 88, 258,

If rp be partial correlation compound on sample rAB.c compound from sample of size n, the test statistic for significance testing is

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

If Z follows standard normal distribution with mean 0 and variance 1, then Z² follows:

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

The mean and median of the distribution are 10 and 11 respectively, then the mode equals to

Which option is incorrect for the component of ti.me series.

Approximately, the coefficient of variation for the given data where Pearson's second measure of skewness = 0.42, arithmetic mean- 86 and median 80, is:

For the following frequency distribution