1. What is the difference between continuous data and discrete data?

CONTINUOUS data is usually the result of measurement.

DISCRETE data is usually the result of a counting process .

2. What is the interquartile range of a set of values?

The interquartile range is the difference between the upper and lower quartiles.

3. What is the disadvantage of using the median as an average for a set of scores?

It does not give any indication of the extreme small or large values or the range of values.