Question

differentiate accuracy and precision​

Answer 1

Accuracy and Precision: Accuracy refers to the closeness of a measured value to a standard or known value. ... Precision refers to the closeness of two or more measurements to each other. Using the example above, if you weigh a given substance five times, and get 3.2 kg each time, then your measurement is very precise.

Answer 2

Explanation:

accuracy is exact or accurate value .

precision is close value to accurate value.

for e.g actual measured value of square is 4cm

3 students are asked to measure the value

1st student measured the value it was 4cm

2nd student measured it was 4.01

3rd student measured it was 4.0001.

1st student is accurate

2nd student is precise