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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. |
range |
D. |
mode |
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Hint |
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2. |
A graph is misleading if ______. |
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A. |
it is a bar graph |
B. |
it is a line graph with years labeled on the horizontal axis |
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C. |
it has a title |
D. |
there are no labels on either scale |
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Hint |
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3. |
Which of the following numbers is composite? |
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A. |
31 |
B. |
1 |
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C. |
23 |
D. |
9 |
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Hint |
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4. |
Based on the factor trees, what is the greatest common factor of 8 and 20? |
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A. |
2 |
B. |
4 |
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C. |
8 |
D. |
20 |
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Hint |
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5. |
Evaluate 15 + x if x = -27. |
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A. |
-32 |
B. |
32 |
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C. |
12 |
D. |
-12 |
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Hint |
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6. |
The temperature rose 34°F from 7:00 A.M. to 5:00 P.M. The temperature was 88°F at 5:00 P.M. Use the equation t + 34 = 88 to find the temperature at 7:00 A.M. |
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A. |
62°F |
B. |
54°F |
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C. |
44°F |
D. |
52°F |
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Hint |
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7. |
Write 1,360,000,000,000 in scientific notation. |
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A. |
13.6 × 1012 |
B. |
1.36 × 1013 |
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C. |
1.36 × 1012 |
D. |
0.136 × 1013 |
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Hint |
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8. |
Are there any clusters in this data? |
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A. |
Yes, 5-8 and 14-18. |
B. |
Yes, 5-20. |
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C. |
Yes, 11-15. |
D. |
No, there are no clusters. |
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Hint |
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9. |
Which of the following is a way in which statistics are made to be misleading? |
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A. |
All three measures of central tendency are presented. |
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. |
The scale is altered on a graph. |
D. |
Outliers on data are brought up and their effects on the measures of central tendency are explained. |
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Hint |
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10. |
Find the next term in the sequence
15, 19, 23, 27, … |
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A. |
29 |
B. |
31 |
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C. |
81 |
D. |
30 |
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Hint |
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11. |
Find the next term in the sequence
13, 19, 24, 28, … |
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A. |
33 |
B. |
32 |
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C. |
41 |
D. |
31 |
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Hint |
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12. |
Write a percent to represent the shaded area. |
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A. |
24% |
B. |
25% |
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C. |
38% |
D. |
20% |
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Hint |
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13. |
Evaluate 60 ÷ 12 + 2(13 - 7). |
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A. |
22 |
B. |
17 |
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C. |
2.5 |
D. |
6 |
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Hint |
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14. |
Describe and identify the pattern in the sequence.
6, 7, 9, 12, 16, … |
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A. |
Add 1 to the first term, add 2 to the second term, and so on; neither arithmetic nor geometric |
B. |
×2; geometric |
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C. |
Add 2 to the first term, add 4 to the second term, and so on; neither arithmetic nor geometric |
D. |
+1; arithmetic |
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Hint |
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15. |
The frequency table shows the height of drops of several waterfalls in the United States. How many waterfalls have a drop of 599 feet or less? |
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A. |
21 |
B. |
6 |
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C. |
5 |
D. |
18 |
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Hint |
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16. |
The table shows the performance of the stock market each day of the past week. Write an integer to represent the value of the stock market by the end of the week. |
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A. |
33.30 |
B. |
6.76 |
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C. |
-33.30 |
D. |
-6.76 |
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Hint |
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17. |
Factor 20ef. |
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A. |
2 · 2 · 5 · e · f |
B. |
22 · e · f |
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C. |
4 · 5 · e · f |
D. |
2 · 10 · e · f |
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Hint |
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18. |
Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this? |
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A. |
40% |
B. |
15% |
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C. |
20% |
D. |
10% |
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Hint |
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19. |
Complete the following function table for y = 3x - 1. |
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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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20. |
Find the slope of the line that passes through each pair of points. (0, 7), (6, -5) |
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A. |
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B. |
-2 |
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C. |
- |
D. |
2 |
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Hint |
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