Precision can be defined as the
a. exact center of a data set.
b. reproducibility of a measured value.
c. correlation between two variables that are measured in a data set.
d. agreement between a measured value and an accepted value.

answer; /// i do believe that the correct answer is (c)nuclear bond

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).