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Confidence Intervals and Hypothesis Testing: Study Guide for Chapters 9, 10, and 11

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Introduction to Confidence Intervals

  • Percorso guidato
    Critical Values: z Scores
    04:46
  • Percorso guidato
    Introduction to Confidence Intervals
    06:33

Confidence Intervals for Population Proportion

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

Confidence Intervals for Population Mean

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

Steps in Hypothesis Testing

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

Performing Hypothesis Tests: Proportions

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

Performing Hypothesis Tests: Means

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

Two Means - Unknown, Equal Variance

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

Two Means - Unknown, Equal Variances Hypothesis Test - Excel

  • Percorso guidato
    Two Means Unknown, Equal Variances Hypothesis Test - Excel
    05:54
  • Percorso guidato
    Two Means Unknown, Equal Variances Hypothesis Test - Excel Example 1
    04:00

Two Means - Unknown, Unequal Variance

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

Two Means - Unknown Variances Hypothesis Test - Excel

  • Percorso guidato
    Two Means - Unknown Variances Hypthesis Test - Excel
    04:43
  • Percorso guidato
    Two Means - Unknown Variances Hypthesis Test - Excel Example 1
    04:08
  • Percorso guidato
    Two Means - Unknown Variances Hypthesis Test - Excel Example 2
    03:50

Two Proportions

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