Find the interquartile range for a set of data if 75% of the data are above 2.6 and 25% of the data are above 3.7.

Answer 1

From Google:

In descriptive statistics, the interquartile range (IQR), also called the midspread or middle 50%, or technically H-spread, is a measure of statistical dispersion, being equal to the difference between 75th and 25th percentiles, or between upper and lower quartiles, IQR = Q3 − Q1.

3.7 - 2.6 = ?