### Home > MC2 > Chapter 9 > Lesson 9.1.3 > Problem 9-33

9-33.

Use the eTool below to find the median, upper quartile and lower quartile.

Click the link at right for the full version of the eTool: MC2 9-33 HW eTool

Arrange the data in ascending numerical order.

15 29 48 50 55 61 64 81 97 100 102

Find the middle number, the middle number of the upper half, and the middle number of the lower half.

Median = 61

Upper Quartile = 97

What is the value of the lower quartile?