Z Test: Application of Formulas

Play to Learn

Goal(s): Gain greater familiarity with the formulas, and the information going into them, for the standard error of the mean and the Z test. Increase accuracy at evaluating whether the setup of the formulas will lead to a correct result.

How: For each scenario presented, evaluate whether the two formulas (for standard error and the Z test) are using the correct values. Involves referring to both the null hypothesis and the sample information. Make 12 decisions, with immediate feedback.

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