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Inferences from Two Samples: Proportions, Means, and Matched Pairs

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Two Proportions

  • Guided course
    Difference in Proportions: Confidence Intervals
    08:09
  • Guided course
    Two Proportions Inferences Using a TI-84 Example 3
    05:32
  • Guided course
    Difference in Proportions: Hypothesis Tests Example 1
    10:28

Performing Hypothesis Tests: Proportions

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

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

Two Means - Unknown, Unequal Variance

  • Guided course
    Difference in Means: Hypothesis Tests Example 1
    07:32
  • Guided course
    Difference in Means: Confidence Intervals Using TI-84 Example 4
    03:33
  • Guided course
    Difference in Means: Confidence Intervals
    08:21

Performing Hypothesis Tests: Means

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

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

Two Means - Matched Pairs (Dependent Samples)

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

Matched Pairs Hypothesis Test - Excel

  • Guided course
    Matched Pairs Hypothesis Test - Excel Example 2
    04:22
  • Guided course
    Matched Pairs Hypothesis Test - Excel Example 1
    03:51
  • Guided course
    Matched Pairs Hypothesis Test - Excel
    04:03

Introduction to Confidence Intervals

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

Critical Values and Rejection Regions

  • Guided course
    Critical Values and Rejection Regions
    06:25
  • Guided course
    Performing Hypothesis Test with Critical Values Example 1
    03:32
  • Guided course
    Performing Hypothesis Test with Critical Values
    05:37

Type I & Type II Errors

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