Identify the first quartile in the following dataset :

Question

5,7, 9, 4, 3, 2, 1, 0, 11, 12, 6, 3, 4, 3, 2, 6

A. 6.5
B. 2.5
C. 4
D. 0

Answer 1

C. 4

To find the first quartile, the data needs to be sorted in ascending order.
1, 0, 2, 2, 3, 3, 3, 4, 4, 5, 6, 6, 7, 9, 11, 12

The first quartile is the middle number in the first half of the data set, which in this case is 4.