The first English factory was set up on the banks of the

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

With reference to analysis of variance. which of the following statements is/are correct?

(I) Change of origin will affect the value of F

Which of the following is a sources of primary data?

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

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

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

Which option is incorrect?

Which one is parameter from population?

For a distribution with mean, median, mode and standard deviation 25, 24, 26 and 5 respectively, Karl Pearson's coefficient of skewness equals to: