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Statistics Unit 3: Estimation and Hypothesis Testing (Chapters 9-11) Study Guide

Study Guide - Learn with Videos

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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
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    Finding the Minimum Sample Size Needed for a Confidence Interval
    04:08
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    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

Determining the Minimum Sample Size Required

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    Determining the Minimum Sample Size Required
    06:51

Steps in Hypothesis Testing

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    Step 4: State Conclusion
    09:56
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    Step 2: Calculate Test Statistic
    06:34
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    Step 1: Write Hypotheses
    06:21

Performing Hypothesis Tests: Means

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    Standard Deviation (σ) Unknown Example 3
    05:55
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    Standard Deviation (σ) Known Example 1
    06:38
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    Standard Deviation (σ) Known
    06:34

Performing Hypothesis Tests: Proportions

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    Performing Hypothesis Tests: Proportions
    05:52
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    Performing Hypothesis Tests: Proportions Example 1
    07:06
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    Performing Hypothesis Tests: Proportions Using TI-84
    03:32

Type I & Type II Errors

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    Type I & Type II Errors Example 1
    03:21
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    Type I & Type II Errors
    06:02

Two Means - Matched Pairs (Dependent Samples)

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    Matched Pairs: Hypothesis Tests
    07:23
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    Matched Pairs: Confidence Intervals
    07:19
  • Guided course
    Introduction to Matched Pairs
    08:33