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Lecture 27: Confidence Intervals for Mean, Variance, and Standard Deviation (Student's t and Chi-Square Distributions)

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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 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

Determining the Minimum Sample Size Required

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

Standard Deviation

  • Percorso guidato
    Calculating Standard Deviation
    08:45
  • Percorso guidato
    Calculating Standard Deviation Example 1
    02:59