Which of these values represents a lower quartile for the data set 23, 24, 21, and 20?
A) 20.25
B) 22.0
C) 22.5
D) 23.5

Name: Which of these values represents a lower quartile for the data set 23, 24, 21, and 20? A) 20.25 B) 22.0 C) 22.5 D) 23.5
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Question

Quizplus · Accepted Answer

The lower quartile (Q1) is the median of the first half of the data set. When the data set 20, 21, 23, 24 is ordered, the lower quartile is the average of 20 and 21, which is 20.5. However, since 20.25 is the closest option, it is the correct choice.

Which of These Values Represents a Lower Quartile for the Data