| |
| |
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. |
range |
D. |
mean, median, and range |
| |
|
Hint |
|
| |
2. |
What is the second step in the 4-step plan to solve problems? |
| |
|
A. |
Explore |
B. |
Solve |
| |
|
C. |
Plan |
D. |
Examine |
| |
|
Hint |
|
| |
3. |
What is the third step in the 4-step plan to solve problems? |
| |
|
A. |
Solve |
B. |
Examine |
| |
|
C. |
Plan |
D. |
Explore |
| |
|
Hint |
|
| |
4. |
Evaluate 27 ÷ 3 · 3 + 5. |
| |
|
A. |
8 |
B. |
32 |
| |
|
C. |
17 |
D. |
72 |
| |
|
Hint |
|
| |
5. |
Evaluate  if a = 9, b = 6 and c = 3. |
| |
|
A. |
11 |
B. |
9 |
| |
|
C. |
15 |
D. |
5 |
| |
|
Hint |
|
| |
6. |
Write 24 as a product. |
| |
|
A. |
4 + 4 |
B. |
2 · 2 · 2 · 2 |
| |
|
C. |
2 + 2 + 2 + 2 |
D. |
4 · 4 |
| |
|
Hint |
|
| |
7. |
If the number 178,651 is rounded to 179,000 and plotted on a stem and leaf plot as 17|9, how would you plot 151,205? |
| |
|
A. |
151|2 |
B. |
15|1 |
| |
|
C. |
15|2 |
D. |
1|15 |
| |
|
Hint |
|
| |
8. |
Anna lives in San Francisco, and she has a business partner in Washington, D.C. Sometimes she flies to Washington for meetings; San Francisco and Washington, D.C., are 2438 miles apart. In August, Anna flies to Washington and back twice. What is a good estimate of the number of miles she has flown in August? |
| |
|
A. |
10000 miles |
B. |
2500 miles |
| |
|
C. |
1000 miles |
D. |
5000 miles |
| |
|
Hint |
|
| |
9. |
Evaluate 5k +  if
k = 3, m = 20, and n. = 5. |
| |
|
A. |
7 |
B. |
19 |
| |
|
C. |
57 |
D. |
20 |
| |
|
Hint |
|
| |
10. |
Evaluate y3 if y = 4. |
| |
|
A. |
64 |
B. |
43 |
| |
|
C. |
12 |
D. |
16 |
| |
|
Hint |
|
| |
11. |
What is the range of the data
69, 72, 121, 81, 98? |
| |
|
A. |
53 |
B. |
40 |
| |
|
C. |
50 |
D. |
52 |
| |
|
Hint |
|
| |
12. |
Find the mean of {15, 7, 9, 25, 4}. |
| |
|
A. |
13 |
B. |
12 |
| |
|
C. |
10 |
D. |
9 |
| |
|
Hint |
|
| |
13. |
Find the median of {67, 24, 98, 15, 76, 44}. |
| |
|
A. |
44 |
B. |
67 |
| |
|
C. |
54 |
D. |
55.5 |
| |
|
Hint |
|
| |
14. |
What is the lower extreme for the quiz scores? |
| |
|
 |
| |
|
A. |
15 |
B. |
20 |
| |
|
C. |
12 |
D. |
3 |
| |
|
Hint |
|
| |
15. |
If you have taken five English tests this quarter and received scores of 72, 72, 93, 94, and 95, what misleading statistic could you use to make your grades look better than they are? |
| |
|
A. |
range |
B. |
median |
| |
|
C. |
mean |
D. |
mode |
| |
|
Hint |
|
| |
16. |
The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room? |
| |
|
 |
| |
|
A. |
5(1.5 + 1) + 2 |
| |
|
B. |
3 × 1.5 + 2 × 1 + 2 |
| |
|
C. |
3(1.5) + 2(1) + 2 |
| |
|
D. |
1.5 + 1.5 + 1.5 + 1 + 1 + 2 |
| |
|
Hint |
|
| |
17. |
Evaluate j - k if j = 10 and k = 2. |
| |
|
A. |
5 |
B. |
8 |
| |
|
C. |
20 |
D. |
12 |
| |
|
Hint |
|
| |
18. |
Which property represents 5 × (6 × 3) = (5 × 6) × 3? |
| |
|
A. |
Distributive Property |
B. |
Commutative Property of Multiplication |
| |
|
C. |
Associative Property of Addition. |
D. |
Associative Property of Multiplication. |
| |
|
Hint |
|
| |
19. |
Find the property that is shown by y + z = z + y. |
| |
|
A. |
Identity Property of Addition |
B. |
Commutative Property of Addition |
| |
|
C. |
Associative Property of Addition. |
D. |
Commutative Property of Multiplication |
| |
|
Hint |
|
| |
20. |
Make a stem-and-leaf-plot of the scores of the University of Texas men’s basketball team during the 2002-2003 regular season. |
| |
|
 |
| |
|
A. |
 |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
|
|