As the standard deviation of an average of several measurements increases,_____.
A) the accuracy of the measurement increases.
B) the precision of the measurement increases.
C) the accuracy and precision of the measurement increases.
D) the accuracy of the measurement decreases.
E) the precision of the measurement decreases.

Question

Quizplus · Accepted Answer

The precision of a measurement is related to the consistency or repeatability of the measurements. An increase in standard deviation indicates greater variability among the measurements, thus decreasing precision.

As the Standard Deviation of an Average of Several Measurements