According Chebyshev’s inequality a two-standard-deviation interval around the mean must contain at least [...] of the observations, and a three-standard-deviation interval around the mean must contain at least [...] of the observations, no matter how the data are distributed.
According Chebyshev’s inequality a two-standard-deviation interval around the mean must contain at least [...] of the observations, and a three-standard-deviation interval around the mean must contain at least [...] of the observations, no matter how the data are distributed.
According Chebyshev’s inequality a two-standard-deviation interval around the mean must contain at least [...] of the observations, and a three-standard-deviation interval around the mean must contain at least [...] of the observations, no matter how the data are distributed.
| status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
|---|---|---|---|---|---|---|---|
| repetition number in this series | 0 | memorised on | scheduled repetition | ||||
| scheduled repetition interval | last repetition or drill |