BU205 Chapter Notes -Null Hypothesis, Statistical Inference, Statistical Hypothesis Testing
Document Summary
Class 08: 9. 1 introduction to hypothesis testing, 9. 2 testing hypotheses about a population mean. Using the z statistic ( known) (skip testing the. Mean with a finite population: 9. 3 testing hypotheses about a population mean. Using the t statistic ( unknown: 9. 4 testing hypotheses about a proportion. A hypothesis is any statement, proposition, postulate, concept, assumption that can be proven to be true or false on the basis of the data gathered. Opinions held about container shapes most economical and reliable for shipping products. The best financial investment portfolio for the company"s retirement plan. The best way to link client databases for best retrieval of information. Statistical procedures for hypothesis testing: state the hypothesis with the assumption that it is the. If is known z ht for . If is unknown t ht for . a statement of what the researcher believes will be the outcome of an experiment or a study (cid:2)statistical hypotheses.
