Question

What is the Interquartile Range for the following data set?
{5, 6, 7, 3,9,8, 3, 1,6,7,7)

Answer 1

sorting, we have 1 3 3 5 6 6 7 7 7 8 9. The middle number is 6. The lower quartile is 3. The upper is 7. 7-3=4.

Explanation: