piān​chā HSK7

bias

偏差 piān​chā
bias noun
a systematic error or cognitive inclination in statistics, measurement, or perception

Improper sampling methods can lead to deviations in experimental results.

deviation noun
the amount or degree by which something differs from a standard, expected value, or original path

The actual situation is slightly different from our expectations.

Frequency

Movie subtitles
0.980 per million appears in 1% of films
Written text
6.72 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT