Question

Identify the first quartile in the following dataset:
5, 7, 9, 4, 3, 2, 1, 0, 11, 12, 6, 3, 4, 3, 2, 6(1 point)
Responses

0
0

4
4

6.5
6.5

2.5

Answer 1

Sort the data: 0, 1, 2, 2, 3, 3, 3, 4, 4, 5, 6, 6, 7, 9, 11, 12 (16 values).
Lower half = first 8 values: 0, 1, 2, 2, 3, 3, 3, 4.
Q1 = median of lower half = average of 4th and 5th values = (2 + 3)/2 = 2.5.