The values given below are snow depths measured as part of a study of satellite observations and water resources.
19, 18, 12, 25, 22, 8, 8, 16

-What is the first quartile?
A)8
B)22.9
C)18.55
D)10
E)21.25

Question

The values given below are snow depths measured as part of a study of satellite observations and water resources.
19, 18, 12, 25, 22, 8, 8, 16

-What is the first quartile?
A)8
B)22.9
C)18.55
D)10
E)21.25

Quizplus · Accepted Answer

The first quartile (Q1) is the median of the lower half of the data set. First, arrange the data in ascending order: 8, 8, 12, 16, 18, 19, 22, 25. For 8 numbers, Q1 is the median of the first 4 numbers. So, (8 + 12) / 2 = 10.

The Values Given Below Are Snow Depths Measured as Part