distort (a statistical result); introduce bias into (a method of sampling, measurement, analysis, etc.)
give a bias to
bias the valve so that the anode current is normally zero or small
inclination or prejudice for or against one person or group, especially in a way considered to be unfair
there was evidence of bias against foreign applicants
the bias towards younger people in recruitment
a systematic distortion of a statistical result due to a factor not allowed for in its derivation
(in bowls) the irregular shape given to one side of a bowl
a steady voltage, magnetic field, or other factor applied to a system or device to cause it to operate over a predetermined range