### Home > CC3 > Chapter 9 > Lesson 9.1.4 > Problem 9-47

9-47.

Louis recorded how many times he could jump rope without stopping. Here is his data:

*9-47 HW eTool*(Desmos).50 15 102 64 29 55 100 97 48 81 61

Find the median, first quartile, and third quartile of his data. Homework Help ✎

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?

Use the eTool below to help you complete the problem.

Click the link at right for the full version of the eTool: *CC3 9-47 HW eTool*