| |
| |
1. |
Use the data presented below. The highlighted values are called ________ |
| |
|
 |
| |
|
A. |
leaves. |
B. |
backs. |
| |
|
C. |
plots. |
D. |
stems. |
| |
|
Hint |
|
| |
2. |
What is the lower quartile of the set of data?
11 21 30 29 7 26
18 12 3 10 12 15 |
| |
|
A. |
13.5 |
B. |
10.5 |
| |
|
C. |
23.5 |
D. |
12 |
| |
|
Hint |
|
| |
3. |
Is the graph below misleading? Why or why not? |
| |
|
 |
| |
|
A. |
No; Every store has a price listed. |
B. |
Yes; The information is presented in a bar graph. |
| |
|
C. |
Yes; The vertical axis is not uniform and does not include zero. |
D. |
No; The graph is easy to read. |
| |
|
Hint |
|
| |
4. |
The spinner below is spun and a number cube is tossed. What is the probability of blue and 4? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
An arrangement where order is not important is called a(n) |
| |
|
A. |
factorial. |
B. |
permutation. |
| |
|
C. |
outcome. |
D. |
combination. |
| |
|
Hint |
|
| |
6. |
A vase contains 3 red flowers, 3 violet flowers, 6 pink flowers, and 8 yellow flowers. If one flower is chosen at random, what are the odds that it is not red or yellow? |
| |
|
A. |
3:2 |
B. |
17:3 |
| |
|
C. |
11:9 |
D. |
9:11 |
| |
|
Hint |
|
| |
7. |
The spinner below is spun. What are the odds against it landing on green? |
| |
|
|
| |
|
A. |
2:3 |
B. |
2:1 |
| |
|
C. |
1:2 |
D. |
1:3 |
| |
|
Hint |
|
| |
8. |
A box of popsicles contains 4 of each flavor: cherry, lemon-lime, grape, and orange. Find the probability of one person randomly picking a cherry popsicle then another person selecting a grape popsicle from the box. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
|
| |
|
Hint |
|
| |
9. |
The stem-and-leaf plot lists the heights of 37 children. What is the median height? |
| |
|
 |
| |
|
A. |
126 cm |
B. |
138 cm |
| |
|
C. |
125 cm |
D. |
129 cm |
| |
|
Hint |
|
| |
10. |
Find the interquartile range of
{60, 23, 69, 25, 75, 66, 31, 48, 78, 60}. |
| |
|
A. |
60 |
B. |
69 |
| |
|
C. |
31 |
D. |
38 |
| |
|
Hint |
|
| |
11. |
The box-and-whisker plot represents the test scores of 25 students. What is the lower quartile of the data? |
| |
|
 |
| |
|
A. |
55 |
B. |
79 |
| |
|
C. |
88.5 |
D. |
65 |
| |
|
Hint |
|
| |
12. |
The box-and-whisker plot represents the test scores of 25 students. Half of the students scored under what number? |
| |
|
|
| |
|
A. |
100 |
B. |
79 |
| |
|
C. |
55 |
D. |
65 |
| |
|
Hint |
|
| |
13. |
According to the histogram, which interval has the most births? |
| |
|
 |
| |
|
A. |
July-September |
B. |
January-March |
| |
|
C. |
October-December |
D. |
April-June |
| |
|
Hint |
|
| |
14. |
According to the histogram, how many people were born in months before April? |
| |
|
|
| |
|
A. |
90 |
B. |
50 |
| |
|
C. |
140 |
D. |
360 |
| |
|
Hint |
|
| |
15. |
Which sentence is a true statement about the data in the graph? |
| |
|
 |
| |
|
A. |
Wednesday's income was a 13% decrease from Tuesday's income. |
B. |
Friday's income was 20% greater than Monday's income. |
| |
|
C. |
Tuesday's income was twice Monday's income. |
D. |
Friday's income was 50% below Thursday's income. |
| |
|
Hint |
|
| |
16. |
How many different pizzas can be ordered from cheese choices of Romano, Parmesan, or mozzarella and crust choices of thin, traditional, or deep dish? |
| |
|
A. |
1 |
B. |
6 |
| |
|
C. |
2 |
D. |
9 |
| |
|
Hint |
|
| |
17. |
Find the number of line segments that can be drawn between any two vertices of a hexagon. |
| |
|
A. |
9 |
B. |
15 |
| |
|
C. |
24 |
D. |
30 |
| |
|
Hint |
|
| |
18. |
What is the probability of tossing heads on a coin four times in a row? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|