Max val of x 13.45 min 13.35

Max val of y 4.35 min 4.25

max value of x 13.45 = 3.1647

y 4.25

min value of x 13.35 = 3.069

y 4.35

actual value of x 13.4 = 3.1163

y 4.3

Absolute error 3.1642 3.069 = 0.04785

2

Percentage Err. 0.04785 × 100 = 0.015355 × 100

3.1163

=1.5355%