Case study

Posted on by Leakey
  1. Determine in what situations you can use the z statistic to construct a confidence interval for the mean of a
    population (provide numerical examples).
  2. Verify what test statistic is used for constructing a confidence interval on the population’s proportion (provide
    numerical examples).
  3. Describe why and when t statistic is used in constructing a confidence interval for the mean of a population
    (provide numerical examples).

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