A group of students worked in separate teams to measure the length of an object. Here are their data: Find out:-i) The average lengthii) The range or spreadiii) The precision of the measurement

A group of students worked in separate teams to measure the length of

1.	A group of students worked in separate teams to measure the length of an object. Here are their data: Find out:-i) The average lengthii) The range or spreadiii) The precision of the measurement
A.	2.7, 0.2, 2.7&pm;0.2
B.	2.8, 0.1, 2.8&pm;0.1
C.	2.0, 0.1, 2.0&pm;0.1
D.	2.0, 0.2, 2.0&pm;0.2
Answer» B. 2.8, 0.1, 2.8&pm;0.1

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