**Unit 7: Inference When Variables are Related**

**Chapter 25: Comparing Counts**

__Learning Targets__- Understanding of what Chi-squared is and what conditions must be met to run a chi-squared test.
- Understanding of when to use a Chi-squared goodness-of-fit, Chi-squared test of homogeneity, and Chi-squared test of independence.

**Documents** Chapter 25 Notes | |

File Size: | 108 kb |

File Type: |

Chi-Squared Homogeneity Practice | |

File Size: | 264 kb |

File Type: |

**Videos**
Chapter 25 Notes (above)Chi-squared Goodness of Fit Example (above)Chi-square Homogeneity Example (above)Chi-Squared Tables (above) |
Step-by-Step Example Page 676 (above)Step-by-Step Example Page 683 (above)Step-by-Step Example Page 689 (above) |

**Chapter 26: Inference for Regression**

__Learning Targets__- Understanding of what conditions must be met to run inference for Linear Regression.
- Understanding how to calculate and interpret a confidence interval for slope of a regression line.

**Documents** Chapter 26 Notes | |

File Size: | 236 kb |

File Type: |

**Videos**
General info on what it is (above)Chapter 26 Notes & Examples |
Step-by-Step Example Page 713 (above)Step-by-Step Example Page 719 (above) |