How to define a process is one of the critical aspects, as this is the basis for identifying the improvement project or problem-solving projects.
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. It is used to compare the proportion 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.