Explain what a hypothesis is and how it is created, and what the difference between the research hypothesis and null hypothesis.

Reading material website: www.yuzu.com Chapter 7 and 8(the login information will be available for the assigned writer)Explain the what a z-test is and why one would use a z-test, and list the eight steps of computing a z-test Explain what a hypothesis is and how it is created, and what the difference between the research hypothesis and null hypothesis.Explain non-directional hypothesis and directional hypothesisExplain the central limit theorem