Tag: some mathematical tools used in economics

A procedure used to select a sample of n objects from a population in such a way that each member of the population is chosen strictly by chance, each member of the population is equality likely to be chosen, and every possible sample of a given size, n, has the same chance of selection is known as 

The definition of statistics explaining statistics to be the collection, presentation, analysis and interpretation of numerical data was given by?

Analysis of variance technique is normally used when ________. 
i. Number of samples are more than two
ii. All the samples follow Independent normal distribution with equal variance