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1. |
Refer to the set of data below. If 15 were removed from the set of data, which values would change? |
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A. |
mean, median, and range |
B. |
range and mean |
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C. |
mode |
D. |
range |
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Hint |
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2. |
Write 3,465 in scientific notation. |
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A. |
3.465×103 |
B. |
0.3465×104 |
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C. |
346.5×10 |
D. |
34.65×102 |
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Hint |
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3. |
Write 2,564,000 in scientific notation. |
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A. |
2.564×105 |
B. |
2.564×106 |
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C. |
25.64×105 |
D. |
2,564×103 |
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Hint |
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4. |
Which symbol makes the following statement true?
7,500 ______ 7.5 × 103 |
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A. |
= |
B. |
< |
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C. |
 |
D. |
> |
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Hint |
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5. |
The following are scores on an English exam. The highest score possible is 100. How many students scored at least 70? |
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A. |
14 |
B. |
13 |
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C. |
12 |
D. |
25 |
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Hint |
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6. |
Which statistic is misleading in the following set of test scores?
2, 85, 87, 88, 89 |
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A. |
mode |
B. |
upper quartile |
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C. |
median |
D. |
mean |
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Hint |
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7. |
What is the next term in the sequence 1, 4, 7, 10, … ? |
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A. |
13 |
B. |
40 |
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C. |
30 |
D. |
17 |
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Hint |
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8. |
What integer represents a loss of 15 yards in football? |
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A. |
|15| |
B. |
15 |
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C. |
|-15| |
D. |
-15 |
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Hint |
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9. |
Choose the quadrant in which point S is located. |
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A. |
none |
B. |
I |
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C. |
III |
D. |
II |
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Hint |
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10. |
Solve -13 + (-5) = q. |
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A. |
-18 |
B. |
-8 |
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C. |
8 |
D. |
18 |
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Hint |
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11. |
Mrs. Harker is one of 20 teachers at Springfield Middle School. She has 21 students in her class. About how many students probably attend Springfield Middle School? |
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A. |
41 |
B. |
400 |
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C. |
220 |
D. |
200 |
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Hint |
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12. |
An automobile dealer wants to sell a certain car for $20,000. If three other dealers in town are selling the same car for $15,000, $15,000, and $30,000, which measure of central should the car dealer use to describe this data to his customers? |
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A. |
median |
B. |
range |
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C. |
mean |
D. |
mode |
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Hint |
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13. |
Which of the following is a way in which statistics are made to be misleading? |
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A. |
The scale is altered on a graph. |
B. |
The actual data are shown, and you are allowed to figure out the measures of central tendency on your own. |
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C. |
Outliers on data are brought up and their effects on the measures of central tendency are explained. |
D. |
All three measures of central tendency are presented. |
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Hint |
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14. |
Solve -84 ÷ -7 = q |
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A. |
12 |
B. |
14 |
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C. |
-12 |
D. |
-14 |
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Hint |
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15. |
Solve 11r = 99. |
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A. |
9 |
B. |
11 |
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C. |
8 |
D. |
-9 |
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Hint |
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16. |
Solve –2p + 7 = 11. |
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A. |
4 |
B. |
2 |
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C. |
12 |
D. |
-2 |
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Hint |
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17. |
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? |
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A. |
5(1.5 + 1) + 2 |
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B. |
3 × 1.5 + 2 × 1 + 2 |
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C. |
1.5 + 1.5 + 1.5 + 1 + 1 + 2 |
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D. |
3(1.5) + 2(1) + 2 |
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Hint |
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18. |
Graph the solution of 11 + y = 28 on a number line. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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19. |
Use the Distributive Property to find (7 - 4)8 written as an equivalent expression. Then evaluate the expression. |
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A. |
7 · 8 - 4 · 8; 416 |
B. |
8 - 7 · 8 - 4; 4 |
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C. |
7 · 8 - 8 - 4; 24 |
D. |
7 · 8 - 4 · 8; 24 |
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Hint |
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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. |
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A. |
The ordered pair (-2, -80) is a solution. |
B. |
y = 40x |
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C. |
 |
D. |
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Hint |
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