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)
4
0
6.5
2.5

Answer 1

First sort the data: 0, 1, 2, 2, 3, 3, 3, 4, 4, 5, 6, 6, 7, 9, 11, 12.

With n = 16 (even), split into lower half (first 8): 0,1,2,2,3,3,3,4. Q1 is the median of that half = average of 4th and 5th values = (2 + 3)/2 = 2.5.

Answer: 2.5.