Introduction |

Requirements for using the Z-test statistic |

From Z-value to Z-score Using Empirical Data |

Digression: The Central Limit Theorem, the Standard Normal Distribution, and Statistical Tests |

Arriving at Probabilities for Continuous Data Using the Z-test and Probability Tables |

From Data to Probability Estimates: The Method of Standardizing |

Confidence Interval, α-levels, and Type I Errors |

Connecting Data to the Test: The Calculated Value and the p-Level |

The p-Value and Its Meaning |

Steps in Hypothesis Testing Using the Z-test |

Reflecting on the Confidence Level and Calculating the Confidence Interval |

Types of Hypothesis Tests Using the Normal Distribution |

Z-tests for Proportions |

Summary |

Appendix: Z-Tests and Sampling Size |

# What Counts - Chapter 10: The Z-test and the Logic of Statistical Tests

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