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1. |
Find the median of {55, 21, 47.4, 69, 71}. |
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A. |
21 |
B. |
55 |
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C. |
71 |
D. |
47.4 |
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Hint |
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2. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
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A. |
97 |
B. |
80 |
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C. |
100 |
D. |
93 |
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Hint |
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3. |
Express 47.5 × 10-5 in scientific notation. |
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A. |
475 × 10-6 |
B. |
4.75 × 10-4 |
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C. |
0.475 × 10-3 |
D. |
4.75 × 10-6 |
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Hint |
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4. |
Write a verbal expression for 2x + y2. |
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A. |
The sum of 2 times x and y squared. |
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B. |
The sum of x and y squared. |
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C. |
The sum of 2 times x and y. |
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D. |
The difference of 2 times xand y squared. |
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Hint |
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5. |
Find the solution of 4x + 10 = 42
if the replacement set is {6, 7, 8, 9}. |
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A. |
6 |
B. |
7 |
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C. |
8 |
D. |
9 |
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Hint |
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6. |
Simplify 12f + 6(3 + 4f). |
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A. |
36f + 18 |
B. |
34f |
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C. |
16f + 18 |
D. |
54f |
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Hint |
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7. |
Solve  |
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A. |
w = -859 |
B. |
w = 835 |
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C. |
w = -835 |
D. |
w = 859 |
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Hint |
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8. |
Find three consecutive odd integers that have a sum that is 45. |
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A. |
14, 15, 16 |
B. |
15, 17, 19 |
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C. |
13, 15, 17 |
D. |
11, 13, 15 |
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Hint |
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9. |
Which scatter plot shows that x and y have a negative correlation? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Find  . |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
impossible |
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Hint |
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11. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling an even number? |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a number that is greater then or equal to five? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Which reflects the convenience sampling method that a language arts teacher might use to identify the most popular book read by the language arts students? |
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A. |
Ask the first 10 students who walk into the classroom. |
B. |
Ask every third student from the 60 students sitting in a study hall. |
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C. |
Ask all the students in one geometry class. |
D. |
Ask students who are wearing a red shirt. |
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Hint |
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14. |
To ensure healthy food, every tenth item is checked. What kind of sample is this? |
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A. |
Cluster Sampling |
B. |
Systematic Sampling |
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C. |
Random Sampling |
D. |
Convenience Sampling |
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Hint |
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15. |
Which value occurs most often? |
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 |
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A. |
99 |
B. |
84 |
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C. |
71 |
D. |
77 |
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Hint |
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16. |
Which relationship will most likely have a positive correlation? |
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A. |
Battery power of a flashlight, and continued use of the flashlight. |
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B. |
A person's height and a person's eye color. |
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C. |
Rising temperatures and ski equipment sales. |
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D. |
The number of movie tickets sold and the amount of popcorn sold. |
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Hint |
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17. |
What is B + C? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Solve  |
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A. |
19 |
B. |
-11 |
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C. |
13 |
D. |
-5 |
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Hint |
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19. |
Solve x2 = 196. |
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A. |
98 |
B. |
 14 |
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C. |
14 |
D. |
98 |
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Hint |
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20. |
How many ways can a 3-person committee be chosen from 13 people if there are no restrictions? |
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A. |
286 |
B. |
858 |
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C. |
143 |
D. |
1716 |
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Hint |
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