Mr. Woodbury's Statistics Materials for Chapter 9

The Pointers are my notes and definitions that will help you with the material.
The IRA Guide walks you through the Interactive Assignments screen by screen, and will let you know which screens can be skipped.
The HW Guide summarizes the problems and gives specific advice for certain problems.

Section Pointers IRA Guide HW Guide
Section 9.1 General Confidence Intervals IRA 9.1 HW 9.1
  Confidence Intervals - Proportions    
Section 9.2 Pointers 9.2 - Conf. Int. Mean IRA 9.2 HW 9.2
  Sample Size 9.1 (Proportion) and 9.2 (Mean)    


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