Lesson 16 of 20 · about 16 min
Estimation
So far you've known the true probabilities and predicted the data. Statistics flips that around. You see some data and estimate the truth. You'll discover why sample variance divides by n − 1, measure how far off an estimate typically is, and use the trick Allied statisticians used in World War II to count enemy tanks from a handful of serial numbers.
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In this lesson you'll learn:
- Estimator and bias
- Standard error
Free to try in F07 Probability & Statistics:
The first 3 lessons of every course are free, no account needed.