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Hypothesis Testing and Regression Analysis: Core Concepts and Applications

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Determining the Minimum Sample Size Required

  • Percorso guidato
    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
  • Percorso guidato
    Step 1: Write Hypotheses
    06:21

Performing Hypothesis Tests: Means

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    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

Median

  • Percorso guidato
    Comparing Mean vs. Median
    04:48
  • Percorso guidato
    Calculating the Median Example 1
    02:35
  • Percorso guidato
    Calculating the Median
    03:26

Two Variances and F Distribution

  • Percorso guidato
    The F-Distribution
    04:20
  • Percorso guidato
    Performing Hypothesis Tests for Two Variances
    06:25
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    Performing Hypothesis Tests for Two Variances Example 2
    05:42

Scatterplots & Intro to Correlation

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

Correlation Coefficient

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

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