Four students took three measurements each of the distance between the chemistry building and the cafeteria on campus.Each person used a different measuring device and therefore arrived at a different set of measurements.Which person is MOST precise?
Student A - counted steps
Student B - measured with a tape measure
Student C - used a radar measuring device
Student D - walked with a measuring wheel
155 m
157 m
158 m
153 m
160 m
152 m
152 m
151 m
180 m
155 m
149 m
153 m

A) Student A
B) Student B
C) Student C
D) Student D
E) All are equally precise.

Question

Four students took three measurements each of the distance between the chemistry building and the cafeteria on campus.Each person used a different measuring device and therefore arrived at a different set of measurements.Which person is MOST precise? ​
Student A - counted steps
Student B - measured with a tape measure
Student C - used a radar measuring device
Student D - walked with a measuring wheel
155 m
157 m
158 m
153 m
160 m
152 m
152 m
151 m
180 m
155 m
149 m
153 m
​
A) Student A
B) Student B
C) Student C
D) Student D
E) All are equally precise.

Quizplus · Accepted Answer

Student D is most precise because their measurements are closest together.

Four Students Took Three Measurements Each of the Distance Between