| |
| |
1. |
Refer to the set of data below. If 15 were removed from the set of data, which values would change? |
| |
|
 |
| |
|
A. |
range and mean |
B. |
mode |
| |
|
C. |
mean, median, and range |
D. |
range |
| |
|
Hint |
|
| |
2. |
The cafeteria has 52 tables. If each table can seat 5 people, how many people does the cafeteria hold? |
| |
|
A. |
57 |
B. |
260 |
| |
|
C. |
52 |
D. |
5 |
| |
|
Hint |
|
| |
3. |
How can a line graph be used to make predictions? |
| |
|
A. |
It displays data. |
| |
|
B. |
It shows a trend over time. |
| |
|
C. |
It has a title. |
| |
|
D. |
It has vertical and horizontal scales. |
| |
|
Hint |
|
| |
4. |
Find the mean of {3, 8, 10, 1, 25}. |
| |
|
A. |
9.4 |
B. |
1 |
| |
|
C. |
9 |
D. |
8 |
| |
|
Hint |
|
| |
5. |
Find the mode of {325, 100, 115, 621, 325, 325, 100}. |
| |
|
A. |
325 |
B. |
115 |
| |
|
C. |
100 |
D. |
273 |
| |
|
Hint |
|
| |
6. |
The mean is the _______ of a set of numbers. |
| |
|
A. |
arithmetic average |
B. |
highest number |
| |
|
C. |
most frequent |
D. |
middle number |
| |
|
Hint |
|
| |
7. |
Which statistic reveals the least about the increase in the following average gasoline prices for seven consecutive weeks?
$1.05, $1.05, $1.05, $1.55, $1.65, $1.75, $2.00 |
| |
|
A. |
mode |
B. |
range |
| |
|
C. |
mean |
D. |
median |
| |
|
Hint |
|
| |
8. |
Solve -12 - (-3) = m. |
| |
|
A. |
-15 |
B. |
-9 |
| |
|
C. |
9 |
D. |
15 |
| |
|
Hint |
|
| |
9. |
Solve y = -7 - (-15). |
| |
|
A. |
-22 |
B. |
9 |
| |
|
C. |
8 |
D. |
105 |
| |
|
Hint |
|
| |
10. |
Evaluate x - y if x = 2 and y = 7. |
| |
|
A. |
-9 |
B. |
5 |
| |
|
C. |
9 |
D. |
-5 |
| |
|
Hint |
|
| |
11. |
The prices of a certain type of calculator in eight different retail stores are; $70 $75 $80 $80 $85 $90 $95 $105. Which of the tables is a frequency table of the prices? |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
12. |
Evaluate ab + 8 if a = 4 and b = 7 |
| |
|
A. |
28 |
B. |
36 |
| |
|
C. |
60 |
D. |
55 |
| |
|
Hint |
|
| |
13. |
7,939 mg = ______ g |
| |
|
A. |
79.39 |
B. |
0.7939 |
| |
|
C. |
7,939,000 |
D. |
7.939 |
| |
|
Hint |
|
| |
14. |
What is the lower extreme for the quiz scores? |
| |
|
 |
| |
|
A. |
12 |
B. |
3 |
| |
|
C. |
20 |
D. |
15 |
| |
|
Hint |
|
| |
15. |
Find the next term in the sequence
83, 92, 101, 110, … |
| |
|
A. |
121 |
B. |
111 |
| |
|
C. |
119 |
D. |
55 |
| |
|
Hint |
|
| |
16. |
What is the correct graph of (-3, -5)? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
17. |
Solve x = -9 - (-7). |
| |
|
A. |
2 |
B. |
-16 |
| |
|
C. |
-2 |
D. |
16 |
| |
|
Hint |
|
| |
18. |
Solve x + 9 = 11. |
| |
|
A. |
2 |
B. |
-2 |
| |
|
C. |
9 |
D. |
11 |
| |
|
Hint |
|
| |
19. |
Simplify (-6a)(-8b). |
| |
|
A. |
48 |
B. |
48ab |
| |
|
C. |
48b |
D. |
-48ab |
| |
|
Hint |
|
| |
20. |
A cell phone company charges $40 every month for unlimited calls. Let x equal the number of months and y equal the total cost. Choose the representation that does not describe the situation. |
| |
|
A. |
y = 40x |
B. |
 |
| |
|
C. |
The ordered pair (-2, -80) is a solution. |
D. |
 |
| |
|
Hint |
|
|
|