wo Sample Z Hypothesis Tests is a parametric test is to compare the means of two independent groups of samples drawn from a normal population.
Single sample test of a given proportion is used to estimate the proportion of the population to a target.
Two sample Z test of proportions is the test to determine whether the two populations differ significantly on specific characteristics.
One sample Z hypothesis test is one of the basic tests of inferential statistics. It is a parametric procedure for hypothesis testing.
Attribute chart: c chart is also known as the control chart for defects is generally used to monitor the number of defects in constant size.