Skip to main content
Back

Chapter 9: Estimating the Value of a Parameter: Confidence Intervals for Proportions, Means, and Variances

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Introduction to Confidence Intervals

  • Guided course
    Critical Values: z Scores
    04:46
  • Guided course
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Proportion

  • Guided course
    Constructing Confidence Intervals for Proportions Example 1
    06:38
  • Guided course
    Finding the Minimum Sample Size Needed for a Confidence Interval
    04:08
  • Guided course
    Constructing Confidence Intervals for Proportions Example 2
    04:24

Confidence Intervals for Population Mean

  • Guided course
    Finding t-Values Using a TI-84
    05:47
  • Guided course
    Critical Values: t-Distribution
    05:50
  • Guided course
    Finding Confidence Intervals Using TI-84
    04:30

Confidence Intervals for Population Variance

  • Guided course
    Constructing Confidence Intervals for Variance or Standard Deviation
    06:44
  • Guided course
    Constructing Confidence Intervals for Variance or Standard Deviation Example 2
    04:11
  • Guided course
    Constructing Confidence Intervals for Variance or Standard Deviation Example 1
    05:53

Standard Normal Distribution

  • Guided course
    Z-Scores from Probabilities
    08:50
  • Guided course
    Probabilities Between Two Values
    03:50
  • Guided course
    Finding Standard Normal Probabilities using z-Table
    09:47

Chi Square Distribution

  • Guided course
    Critical Values: Chi Square Distribution Example 2
    05:18
  • Guided course
    Critical Values: Chi Square Distribution Example 1
    03:55
  • Guided course
    Critical Values: Chi Square Distribution
    05:39

Standard Deviation

  • Guided course
    Calculating Standard Deviation
    08:45
  • Guided course
    Calculating Standard Deviation Example 1
    02:59

Introduction to Confidence Intervals

  • Guided course
    Critical Values: z Scores
    04:46
  • Guided course
    Introduction to Confidence Intervals
    06:33