With reference to a sample, the mean of the absolute values of deviations from the sample mean.
With reference to a sample, the mean of the absolute values of deviations from the sample mean.
With reference to a sample, the mean of the absolute values of deviations from the sample mean.
| 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 |