Variance (noun)

1. The amount by which a set of values differs from the average value in the set.
2. The quality or state of being different or diverse.
3. A disagreement or difference of opinion.

Origin:

Late middle english: from old french variance, from latin variantia, from variant- "varying", from the verb variere.

Examples:

1. The variance in the data was used to calculate the standard deviation.
2. The variance in the temperatures was due to the change in altitude.
3. The variance in opinions was clearly visible in the heated discussion.
4. The variance in the responses showed that there was no clear consensus on the issue.
5. The variance in the results indicated that further research was needed.