The term is best known as a mechanical effect, and is used as an analogy to a falling row of dominoes. It typically refers to a linked sequence of events where the time between successive events is relatively small.
9 terms. What is the difference between a z test and a t-test. Z: tests probability sample was drawn from a population with a known mean and known standard deviation. T; tests probability sample was drawn from a population with known mean but unknown standard deviation. z-test.
Z-Test's for Different Purposes. There are different types of Z-test each for different purpose. Some of the popular types are outlined below: 1  z test for single proportion is used to test a hypothesis on a specific value of the population proportion.