Numerical Measures of Central Tendency and Variability
Measures of Variability
Questions
Question 1 out of 4.
What is the range of 2, 4, 6, and 8?
________
Question 2 out of 4.
Would the variance of 10, 12, 17, 20, 25, 27, 42, and 45 be larger if the numbers represented a population or a sample?
- Population
- Sample
Question 3 out of 4.
What is the standard deviation of this sample?
________
Y
8
5
11
11
15
9
7
18
Question 4 out of 4.
What is the interquartile range of these numbers?
________
Z
12
13
14
15
9
10
16
10
8
10
11
12
13
22
23
24
25