| |
| |
1. |
Construct a stem-and-leaf plot for the data.
114 101 107 120 93 108 119
127 93 99 114 100 94 125
116 99 101 127 114 110 103 |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
2. |
What is the median of the set of data?
11 21 30 29 7 26
18 12 3 10 12 15 |
| |
|
A. |
12 |
B. |
27 |
| |
|
C. |
13.5 |
D. |
16.17 |
| |
|
Hint |
|
| |
3. |
Which display summarizes data using the median, the upper quartile, the lower quartile, the upper extreme, and the lower extreme? |
| |
|
A. |
line graph |
B. |
circle graph |
| |
|
C. |
pictograph |
D. |
box-and-whisker plot |
| |
|
Hint |
|
| |
4. |
A number cube is rolled and a coin is tossed. How many different outcomes are possible? |
| |
|
A. |
12 |
B. |
16 |
| |
|
C. |
6 |
D. |
8 |
| |
|
Hint |
|
| |
5. |
From a class with 12 boys and 15 girls, one student is selected at random. What are the odds in favor of selecting a girl? |
| |
|
A. |
5:4 |
B. |
4:5 |
| |
|
C. |
5:9 |
D. |
4:9 |
| |
|
Hint |
|
| |
6. |
Using a standard deck of 52 playing cards, one card is randomly picked. What are the odds that the card is a diamond or a 5? |
| |
|
A. |
9:4 |
B. |
9:13 |
| |
|
C. |
4:9 |
D. |
4:13 |
| |
|
Hint |
|
| |
7. |
Fifty tickets, numbered 1 through 50, are placed in a box. Four tickets are randomly drawn without replacement. What is the probability that 4 odd numbers are drawn? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
8. |
The stem-and-leaf plot lists the heights of 37 children. What is the median height? |
| |
|
 |
| |
|
A. |
125 cm |
B. |
129 cm |
| |
|
C. |
126 cm |
D. |
138 cm |
| |
|
Hint |
|
| |
9. |
Find the range of
{10, 14, 2, 2, 13, 3, 6, 16, 19, 3}. |
| |
|
A. |
10 |
B. |
17 |
| |
|
C. |
13 |
D. |
7 |
| |
|
Hint |
|
| |
10. |
The box-and-whisker plot represents the test scores of 25 students. What is the upper extreme of the data? |
| |
|
 |
| |
|
A. |
55 |
B. |
105 |
| |
|
C. |
100 |
D. |
88.5 |
| |
|
Hint |
|
| |
11. |
According to the histogram, how many total people were born in months that have less than 30 days? |
| |
|
 |
| |
|
A. |
30 |
B. |
200 |
| |
|
C. |
240 |
D. |
40 |
| |
|
Hint |
|
| |
12. |
According to the histogram, which month has the least births? |
| |
|
|
| |
|
A. |
August |
B. |
March |
| |
|
C. |
June |
D. |
October |
| |
|
Hint |
|
| |
13. |
Which sentence is a true statement about the data represented by the graph? |
| |
|
 |
| |
|
A. |
The sum of Wednesday's income and Friday's income was equal to Thursday's income. |
B. |
Friday's income was one-third of Thursday's income. |
| |
|
C. |
Tuesday's income was about 40% greater than Monday's income. |
D. |
Wednesday's income was half of Tuesday's income. |
| |
|
Hint |
|
| |
14. |
Which sentence is a true statement about the data in the graph? |
| |
|
|
| |
|
A. |
Tuesday's income was a 100% increase from Monday's income. |
B. |
Thursday's income was 1.07 times higher than Wednesday's income. |
| |
|
C. |
Friday's income was twice Monday's income. |
D. |
Thursday's income more than doubled Friday's income. |
| |
|
Hint |
|
| |
15. |
How many different cars can be produced from five color choices and three engine choices? |
| |
|
A. |
15 |
B. |
8 |
| |
|
C. |
10 |
D. |
20 |
| |
|
Hint |
|
| |
16. |
How many ways can a two-color uniform be chosen from red, white, blue, green, and black? |
| |
|
A. |
25 |
B. |
20 |
| |
|
C. |
120 |
D. |
10 |
| |
|
Hint |
|
| |
17. |
How many different ways can four CDs be chosen from a case of 10 CDs? |
| |
|
A. |
120,960 |
B. |
5,040 |
| |
|
C. |
210 |
D. |
3,628,800 |
| |
|
Hint |
|
| |
18. |
What is the probability of tossing heads on a coin four times in a row? |
| |
|
A. |
|
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|