| |
| |
1. |
Find the mean of {3, 8, 10, 1, 25}. |
| |
|
A. |
9.4 |
B. |
8 |
| |
|
C. |
9 |
D. |
1 |
| |
|
Hint |
|
| |
2. |
Find the median of {55, 21, 47.4, 69, 71}. |
| |
|
A. |
21 |
B. |
47.4 |
| |
|
C. |
71 |
D. |
55 |
| |
|
Hint |
|
| |
3. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
| |
|
A. |
100 |
B. |
80 |
| |
|
C. |
93 |
D. |
97 |
| |
|
Hint |
|
| |
4. |
Find the range of {5, 21, 2, 14, 13}. |
| |
|
A. |
19 |
B. |
13 |
| |
|
C. |
14 |
D. |
65 |
| |
|
Hint |
|
| |
5. |
Find the median of the data. |
| |
|
 |
| |
|
A. |
42.5 |
B. |
29.5 |
| |
|
C. |
23 |
D. |
19.5 |
| |
|
Hint |
|
|
|