Question

The director of a local Parks and Recreation department is interested in the number of hours kids spend outside each week. She surveys a group of 19 kids in her town and asks them how many hours they spent outside last week. Her results follow. What was the median number of hours spent outside for the kids she surveyed?

{0,10,15,4,70,15,18,20,6,8,10,12,15,18,20,2,50,40,10}

Answer 1

First sort the 19 values:

0, 2, 4, 6, 8, 10, 10, 10, 12, 15, 15, 15, 18, 18, 20, 20, 40, 50, 70.

With 19 observations, the median is the 10th value, which is 15 hours.