| |
| |
1. |
Find the median of {55, 21, 47.4, 69, 71}. |
| |
|
A. |
47.4 |
B. |
21 |
| |
|
C. |
71 |
D. |
55 |
| |
|
Hint |
|
| |
2. |
Find the median of the data. |
| |
|
 |
| |
|
A. |
23 |
B. |
19.5 |
| |
|
C. |
29.5 |
D. |
42.5 |
| |
|
Hint |
|
| |
3. |
Which measure of central tendency should be used to represent the set of data {45, 78, 79, 80, 82, 82, 83, 99}? |
| |
|
A. |
mode |
B. |
mean |
| |
|
C. |
median |
D. |
standard deviation |
| |
|
Hint |
|
| |
4. |
Which measure of variation does not depend on the mean? |
| |
|
A. |
variance |
B. |
range |
| |
|
C. |
standard deviation |
D. |
mode |
| |
|
Hint |
|
| |
5. |
What is the mean of the set {4, 7, 3, 8, 2, 6, 5, 8, 3, 2}? Round to the nearest tenth. |
| |
|
A. |
6 |
B. |
3 and 2 |
| |
|
C. |
4.8 |
D. |
4.5 |
| |
|
Hint |
|
|
|