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Chapter 8: Confidence Intervals – Business Statistics Study Notes

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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 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

Determining the Minimum Sample Size Required

  • Percorso guidato
    Determining the Minimum Sample Size Required
    06:51

Confidence Intervals for Population Means - Excel

  • Percorso guidato
    Finding Confidence Intervals for Means (Sigma Known) Example 1
    06:16
  • Percorso guidato
    Finding Confidence Intervals for Means (Sigma Unknown) Example 2
    06:01
  • Percorso guidato
    Finding Confidence Intervals for Means (Sigma Known)
    06:12