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Effect Sizes, Statistical Significance, and Practical Meaning in Business Statistics

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Type I & Type II Errors

  • Percorso guidato
    Type I & Type II Errors Example 1
    03:21
  • Percorso guidato
    Type I & Type II Errors
    06:02

Steps in Hypothesis Testing

  • Percorso guidato
    Intro to Hypothesis Testing
    05:12
  • Percorso guidato
    Step 3: Get P-Value
    06:50
  • Percorso guidato
    Step 2: Calculate Test Statistic
    06:34

Performing Hypothesis Tests: Means

  • Percorso guidato
    Standard Deviation (σ) Known Example 2
    04:53
  • Percorso guidato
    Standard Deviation (σ) Known Example 3
    06:51
  • Percorso guidato
    Standard Deviation (σ) Unknown Example 4
    06:13

Performing Hypothesis Tests: Proportions

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

Confidence Intervals for Population Mean

  • Percorso guidato
    Finding Confidence Intervals Using TI-84
    04:30
  • Percorso guidato
    Critical Values: t-Distribution Example 2
    04:06
  • Percorso guidato
    Population Standard Deviation Unknown Example 3
    09:00

Confidence Intervals for Population Proportion

  • Percorso guidato
    Finding a Confidence Interval for a Population Proportion Using a TI84
    02:35
  • Percorso guidato
    Constructing Confidence Intervals for Proportions Example 2
    04:24
  • Percorso guidato
    Constructing Confidence Intervals for Proportions
    05:45

Goodness of Fit Test

  • Percorso guidato
    Goodness of Fit Test
    10:17
  • Percorso guidato
    Goodness of Fit Test: Unequal Probabilities
    05:24
  • Percorso guidato
    Goodness of Fit Test: Unequal Probabilities Example 2
    08:22

Multiple Comparisons: Bonferoni Test

  • Percorso guidato
    The Bonferroni Test
    09:54
  • Percorso guidato
    The Bonferroni Test Example 1
    08:11

Multiple Comparisons: Tukey Test

  • Percorso guidato
    Tukey Test
    08:22
  • Percorso guidato
    Tukey Test Example 1
    05:55

Multiple Comparisons: Tukey-Kramer Test

  • Percorso guidato
    Tukey-Kramer Test Example 1
    06:42
  • Percorso guidato
    Tukey-Kramer Test
    09:08