That would be bias.
Bob's oven is different than usual ovens in that that is 10 degrees off and is what you would call bias. Bias in regular use means some notion or idea that is preconceived and usually unseasoned but in science and engineering, "bias" means and denotes a systematic error.
Pianissimo, mezzo piano, and piano
Pleased father when took over
business
Admired in Boston area
Unsuccessful soldier
Loudly yelled that the British
were coming
Rode as a mail carrier
Excellent spy against British
Very clever with Sons of
Liberty
Encouraged protesting taxes
Ringer of Old North Church bells
to spread word
E<span>very silver object treasured
– even buttons</span>
The American Revolution was between April 19,1775 to September 3,1783