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Math AP®︎ Statistics Summarizing quantitative data More on standard deviation (optional)

More on standard deviation (optional)

    • Review and intuition why we divide by n-1 for the unbiased sample variance
    • Why we divide by n - 1 in variance
    • Simulation showing bias in sample variance
      This is the currently selected item.
    • Simulation providing evidence that (n-1) gives us unbiased estimate
    • Unbiased estimate of population variance
    Next lesson
    Box and whisker plots
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Math·AP®︎ Statistics·Summarizing quantitative data·More on standard deviation (optional)

Simulation showing bias in sample variance

More on standard deviation (optional)

    • Review and intuition why we divide by n-1 for the unbiased sample variance
    • Why we divide by n - 1 in variance
    • Simulation showing bias in sample variance
      This is the currently selected item.
    • Simulation providing evidence that (n-1) gives us unbiased estimate
    • Unbiased estimate of population variance
    Next lesson
    Box and whisker plots
Tags
Variance and standard deviation
Why we divide by n - 1 in variance
Simulation providing evidence that (n-1) gives us unbiased estimate
Up Next
Simulation providing evidence that (n-1) gives us unbiased estimate