Which of the following is a valid offer?

The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.

Recession in industry is associated with the:

For the random variable X with probability density function f(x) = (x−3)² /5; x = 3, 4, 5, the variance of X is:

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

If Arithmetic mean and coefficient of variation of x are 10 and 40 respectively, then the variance of y = 10 – 2x is:

The interquartile range excludes ___ of the values.

Statistics is not applicable to ________ observation.

For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:

If the population kurtosis of the observations 16,12,6,2,4,10 is 1.7414, then population kurtosis of the 8,6,3,1,2,5 is