Find the first quartile for the set of data.
{7.2, 5.5, 7.1, 8.4, 5.6, 5.1, 9.9}
(1 point)
Responses
5.5
5.5
7.1
7.1
8.4
8.4
6.97
To find the first quartile, we need to find the median of the lower half of the data set. First, we need to order the data set in ascending order:
{5.1, 5.5, 5.6, 7.1, 7.2, 8.4, 9.9}
Since there are 7 data points, the median is the middle point, which is 7.1. Therefore, the first quartile is 7.1.
So, the correct response is:
7.1