Question

A surveyor is estimating the distance across a river. The actual distance is 279.8m. The surveyor's estimate is 300m.
Absolute error= ?m
Percent error= ?%

Answer 1

abs.err. 300-279,8 =
- i think or my opinion

-perc. err. using the rule of 3 simple


so what is your opinion about it ?

Answer 2

@hartnn

Answer 3

'the absolute error is the magnitude of the difference between the exact value and the approximation.' ~Wiki.

So it is just
\(|300-279.8| = ..\)

Answer 4

what would the percentage be?

Answer 5

%error = \(\dfrac{|approx \: value - exact \: value|}{|exact\: value|}\times 100 = \dfrac{absolute \: error}{|exact value|}\times 100\)

Answer 6

7.2?

Answer 7

yes, 7.2 is correct :)

Answer 8

okay, you were a big help. Thanks :)

Answer 9

welcome ^_^