STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Given the data:136, 150, 119, 151, 125, 140.Find the upper quartile (Q3).
|
|
125
|
|
|
139.5
|
|
|
150
|
|
|
143
|
Explanation:
Detailed explanation-1: -The upper quartile is the median of the upper half of a data set. This is located by dividing the data set with the median and then dividing the upper half that remains with the median again, this median of the upper half being the upper quartile.
Detailed explanation-2: -First Quartile(Q1) = ((n + 1)/4)th Term. Second Quartile(Q2) = ((n + 1)/2)th Term. Third Quartile(Q3) = (3(n + 1)/4)th Term.
There is 1 question to complete.