An example of the step by step process used to conduct a z test for the mean, with emphasis on the interpretation of the test statistic (z) and the p-value.

Background to test statistic and p value in z test (StatsCasts)

StatsCasts are narrated screen video recordings of explanations of statistical concepts. They are produced by Swinburne University of Technology, the University of the Sunshine Coast, and the University of Southern Queensland. They are part of an ongoing collaborative research project to develop high quality resources and investigate the effectiveness of StatsCasts to support statistics learning. They are targeted at prerequisite to first year level, in a range of subjects such as: Engineering, Sciences, Health Sciences and Business.

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Background to test statistic and p value in z test (StatsCasts)

Background to test statistic and p value in z test (StatsCasts)