The accepted value of a length measurement is 200cm, and the experimental value is 198cm. Circle the letter of the value that shows the precent error of this measuerment.

a)2%
b)-2%
c)1%
d)-1%
is it b)-2%

No. What is 2/200 * 100?

Percent error = deviation/GAAT * 100

gAAT generally accepted as true. Now watch signs...deviation = measured - GAAT

1 answer

200cm= 2