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Results tagged with standard-deviation
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user 26224
Standard deviation is the square root of the variance of a random variable, an estimator thereof, or a similar measure of the spread of a batch of data.
26
votes
1
answer
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Standard deviation of binned observations
I have a dataset of sample observations, stored as counts within range bins. e.g.:
min/max count
40/44 1
45/49 2
50/54 3
55/59 4
70/74 1
Now, finding an estimate of the average from …
- 363