Which measures describe the variation in a data set

Variance, Range, Standard deviation, Inter-quartile range

Step-by-step explanation:

The most commonly used measure of variability in a data set include;

Variance and standard deviation - measures the variability of a data set about a fixed location, the mean. Variance is the square of the standard deviation.

Range - this is the difference between the largest and the smallest values in a data set.

Inter-quartile range is simply the difference between the third and the first quartile where the second quartile is the median.

Other measures include;

Downside semi-variance