STAT 1450 Chapter Notes - Chapter 15, 16, 18: Null Hypothesis, Statistical Parameter, Confidence Interval

• School: Ohio State University
• Department: Statistics
• Course: STAT 1450
• Professor: All

Document Summary

Stat 1450 course notes chapters 15, 16, 18. Hypothesis tests about one population mean and matched pairs. If we want to estimate a population parameter, then we should use a confidence interval. If, on the other hand, we want to assess the evidence provided by data about some claim concerning a population parameter, we need to do a hypothesis test. Situation: a group of ohio state students is interested in seeing if the out-of-state tuition at other public universities is different from that at osu. We have two possible hypotheses about this situation: the out-of-state tuition at other public universities is not different from that at ohio state, the out-of-state tuition at other public universities is different from that at ohio state. These hypotheses have names: the null hypothesis (denoted h0) is the claim tested about the population parameter. The test is designed to assess the strength of the evidence against the null hypothesis.