Question

The teacher asked 4 students to measure 4 different objects. the table shown represents their measurements . which students has the large percent error.

sorry if my table doesn't look right and you don't understand it

table /actual length/measured length
1= / 50 inches/49 inches
2= / 25centi / 25.5centimeters <------ that is the table chart not answers
3= / 8 feet / 7 1/2 feet
4= / 1.6 meters/ 2.1 meters

Answer choices:
A. student 1
B.student 2
C. student 3
D. student 4

Answer 1

D

Explanation:

You calculate the percentual error as:

abs(1 - actual / measured)* 100%

So if actual = measured, the error is 0%

From below table, you can see that the percentual difference between 2.1 and 1.6 is the largest.