Z Test Statistic: Work Shown

Play to Learn

Goal(s): Learn that the Z test provides the exact location of the observed sample mean (relative to the center of the sample means distribution).  See how the Standard Error of the Mean and the Z test are calculated.  Develop experience regarding when to reject the null hypothesis. 

How: For each scenario presented, decide based upon the Z test, whether the results are statistically significant.  Make 30 quick decisions, with immediate feedback

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