The calculator includes an explanation of inputs and outputs. This web calculator conducts a z-test for the difference between two populations' proportions. The calculator includes a video definition, ...

For example, if n = 3, C = 20 × 3 If C = 20 × 3, the cost is 60p. Two variables are directly proportional when as one variable increases/decreases, the other variable increases/decreases at the ...

In the Two-Sample Test for Proportions task, you can determine whether two probabilities are the same. The data analyzed in this example are taken from a study measuring the accuracy of two computer ...