jūn​chā

divided difference

均差 jūn​chā
divided difference
In numerical analysis, a recursive division process used to calculate the coefficients of the interpolating polynomial in the Newton form
mean absolute difference
In statistics, a measure of statistical dispersion equal to the average of the absolute differences of two independent variables

Frequency

Written text
0.056 per million

Sources

Frequency data
BCC Corpus (BLCU)