Instructional Video

Khan Academy: (N 1) Gives Us an Unbiased Estimate of Variance

Curated by ACT

This video uses a simulation to better understand why we divide by n-1 when we calculated an unbiased sample variance. When we are in an unbiased way trying to estimate the true population varience.

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Concepts
standard deviation, variance
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Additional Tags
population varience, unbiased, unbiased sample variance, khan academy
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Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Audiences
For Administrator Use
2 more...
Lexile Measures
0L