STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is the first quartile of the data set:1, 8, 25, 30, 50, 72
|
|
8
|
|
|
25
|
|
|
50
|
|
|
30
|
Explanation:
Detailed explanation-1: -25th Percentile-Also known as the first, or lower, quartile. The 25th percentile is the value at which 25% of the answers lie below that value, and 75% of the answers lie above that value. 50th Percentile-Also known as the Median.
Detailed explanation-2: -The first quartile (Q1, or the lowest quartile) is the 25th percentile, meaning that 25% of the data falls below the first quartile. The second quartile (Q2, or the median) is the 50th percentile, meaning that 50% of the data falls below the second quartile.
Detailed explanation-3: -Example: 5, 7, 4, 4, 6, 2, 8 And the result is: Quartile 1 (Q1) = 4.
There is 1 question to complete.