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AP®︎/College Statistics (K-A)
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Exploring one-variable quantitative data: Summary statistics (K-A)
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More on standard deviation (optional) (K-A)
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Simulation showing bias in sample variance (K-A)
Simulation showing bias in sample variance (K-A)
Course:
More on standard deviation (optional) (K-A)
Discipline:
Basic and Health Sciences
Institute:
Khan Academy
Instructor(s):
Level:
College
More on standard deviation (optional) (K-A)
Review and intuition why we divide by n-1 for the unbiased sample variance (K-A)
Simulation providing evidence that (n-1) gives us unbiased estimate (K-A)
Simulation showing bias in sample variance (K-A)
Why we divide by n – 1 in variance (K-A)