CPM Homework Banner

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

9-33.

Louis recorded how many times he could jump rope without stopping. Find the median, upper quartile, and lower quartile of his data. Here is his data: 9-33 HW eTool (CPM). Homework Help ✎

50 15 102 64 29 55 100 97 48 81 61

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?