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Study Guide: Inferences for Means and Variances in Introductory Statistics

Study Guide - Learn with Videos

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Steps in Hypothesis Testing

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

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

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

Two Means - Unknown, Equal Variance

  • Guided course
    Means Unknown Equal Variances Hypothesis Test Using TI-84
    06:20
  • Guided course
    Means Unknown Equal Variances Hypothesis Test Using TI-84 Example 2
    03:34
  • Guided course
    Means Unknown Equal Variances Hypothesis Test Using TI-84 Example 1
    03:10

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

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