HYPOTHESIS TESTING

Hypothesis Testing Assumptions

Hypothesis Testing Assumptions/Interactions

Sample Random

A sample selected from a finite population is called a random sample if it is chosen in such a way that every possible sample of the same size has an equal probability of selection. When obtaining a sample of n items from a population of N items, if each item may occur once and only once in the sample the procedure is referred to as sampling without replacement. If each selected item is returned to the population after selection for possible reselection, the procedure is called sampling with replacement. In sampling with replacement some ...