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Hypothesis Testing, Confidence Intervals, and Correlation: Study Notes for Statistics Exam Prep

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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: 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

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

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

Scatterplots & Intro to Correlation

  • Percorso guidato
    Scatterplots & Intro to Correlation Example 1
    05:14
  • Percorso guidato
    Scatterplots & Intro to Correlation
    06:36
  • Percorso guidato
    Creating Scatterplots - Graphing Calculator
    05:26

Correlation Coefficient

  • Percorso guidato
    Correlation Coefficient
    05:43
  • Percorso guidato
    Calculating Correlation Coefficient - Graphing Calculator
    04:40
  • Percorso guidato
    Calculating Correlation Coefficient - Graphing Calculator Example 1
    03:44

Hypothesis Tests for Correlation Coefficient Using TI-84

  • Percorso guidato
    Hypothesis Tests for Correlation Coefficient Using TI-84 Example 1
    03:39
  • Percorso guidato
    Hypothesis Tests for Correlation Coefficient Using TI-84
    05:28
  • Percorso guidato
    Hypothesis Tests for Correlation Coefficient Using TI-84 Example 2
    06:24

Linear Regression & Least Squares Method

  • Percorso guidato
    Using Regression Lines to Predict Values
    04:57
  • Percorso guidato
    Intro to Least Squares Regression Example 1
    05:02
  • Percorso guidato
    Intro to Least Squares Regression
    07:01

Inferences for Slope

  • Percorso guidato
    Confidence Interval for the Slope of a Regression Line Example 5
    02:31
  • Percorso guidato
    Confidence Interval for the Slope of a Regression Line Example 4
    02:47
  • Percorso guidato
    Hypothesis Test for the Slope of a Regression Line Example 3
    04:13