| |
| |
1. |
Find the range of {5, 21, 2, 14, 13}. |
| |
|
A. |
65 |
B. |
19 |
| |
|
C. |
13 |
D. |
14 |
| |
|
Hint |
|
| |
2. |
Find the upper quartile of {2, 5, 13, 21, 29}. |
| |
|
A. |
13 |
B. |
29 |
| |
|
C. |
3.5 |
D. |
25 |
| |
|
Hint |
|
| |
3. |
To conduct a survey about the people of Wisconsin, 100 people were chosen from each county based on a recent census. What kind of sample is this? |
| |
|
A. |
unbiased, stratified random sample |
B. |
unbiased, random sample |
| |
|
C. |
biased, convenience |
D. |
biased, voluntary |
| |
|
Hint |
|
| |
4. |
To ensure healthy food, every tenth item is checked. What kind of sample is this? |
| |
|
A. |
biased, convenience sample |
B. |
unbiased, simple random sample |
| |
|
C. |
unbiased, systematic random sample |
D. |
unbiased, stratified random sample |
| |
|
Hint |
|
| |
5. |
Find . |
| |
|
A. |
impossible |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
6. |
Find B – A. |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
impossible |
| |
|
Hint |
|
| |
7. |
A histogram is a graph in which the data are organized into equal _______. |
| |
|
A. |
intervals |
B. |
bars |
| |
|
C. |
elements |
D. |
tallies |
| |
|
Hint |
|
| |
8. |
Which table contains data whose distribution would be skewed right? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
9. |
What is the greatest value of the data? |
| |
|
 |
| |
|
A. |
9.5 |
B. |
10 |
| |
|
C. |
13 |
D. |
19 |
| |
|
Hint |
|
| |
10. |
Find the upper quartile of the data. |
| |
|
 |
| |
|
A. |
13 |
B. |
19 |
| |
|
C. |
9.5 |
D. |
10 |
| |
|
Hint |
|
|
|