If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
For the production data
Year: 1 2 3 ...
If each observation in a data set for number of employees in different divisions is doubled then the coefficient of quartile deviation:
The grouped data for the observation are as follows.
Class : 2-4 4-6 6-8...
For an experiment we have the following data set: n = 4, ∑ X = a,∑ Y = 10,∑ XY = 21,∑ X2 = 30,∑ Y2 = 30 the correlati...
Which one is parameter from population?
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
The null hypothesis in ANOVA one-way classification, the study of the variances due to k different sources, is:
If Laspeyres price index of a commodity is 208 and Passche's price index of the same commodity is 52, the value of Fisher index number will be:
