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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. |
mode |
B. |
range and mean |
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C. |
mean, median, and range |
D. |
range |
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Hint |
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2. |
You rode your bike 3 miles to school. After school, you rode 5 miles to the store and then 2 miles home. How many miles did you ride today? |
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A. |
5 |
B. |
10 |
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C. |
7 |
D. |
8 |
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Hint |
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3. |
Evaluate 34. |
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A. |
64 |
B. |
12 |
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C. |
7 |
D. |
81 |
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Hint |
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4. |
The mean is the _______ of a set of numbers. |
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A. |
most frequent |
B. |
highest number |
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C. |
arithmetic average |
D. |
middle number |
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Hint |
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5. |
Find the lower quartile for the quiz scores. |
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 |
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A. |
12 |
B. |
13 |
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C. |
3 |
D. |
17 |
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Hint |
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6. |
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 |
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A. |
range |
B. |
median |
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C. |
mode |
D. |
mean |
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Hint |
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7. |
Which is not a reason that measures of central tendency for a set of data can be misleading? |
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A. |
outliers in the data |
B. |
incomplete data |
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C. |
too much data |
D. |
inaccurate data |
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Hint |
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8. |
What integer represents a rise in temperature of 19°? |
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A. |
-|19| |
B. |
-19 |
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C. |
19 |
D. |
-|-19| |
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Hint |
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9. |
Which numbers are ordered from least to greatest? |
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A. |
–5, -8, 10, 32, 32, 35, 50 |
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B. |
50, 35, 32, 32, 10, -5, -8 |
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C. |
–8, -5, 10, 32, 32, 35, 50 |
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D. |
10, -8, -5, 32, 32, 35, 50 |
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Hint |
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10. |
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? |
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A. |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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11. |
Evaluate y3 if y = 4. |
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A. |
16 |
B. |
12 |
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C. |
43 |
D. |
64 |
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Hint |
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12. |
Choose an appropriate scale for the data
69, 72, 121, 81, 98. |
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A. |
70 to 100 |
B. |
40 to 100 |
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C. |
65 to 125 |
D. |
70 to 120 |
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Hint |
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13. |
Which is the correct line plot for this information? |
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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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14. |
What is the lower extreme for the quiz scores? |
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A. |
12 |
B. |
3 |
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C. |
20 |
D. |
15 |
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Hint |
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15. |
Solve t = -3 - 8. |
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A. |
11 |
B. |
5 |
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C. |
-5 |
D. |
-11 |
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Hint |
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16. |
Evaluate p – q if p = -6 and q = 14. |
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A. |
-8 |
B. |
20 |
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C. |
8 |
D. |
-20 |
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Hint |
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17. |
Solve w = 6(-3). |
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A. |
-9 |
B. |
9 |
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C. |
18 |
D. |
-18 |
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Hint |
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18. |
Evaluate |-15| - |-9|. |
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A. |
24 |
B. |
-24 |
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C. |
6 |
D. |
-6 |
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Hint |
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19. |
Simplify -11 + d + (-15). |
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A. |
-26 + d |
B. |
26 + d |
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C. |
-26 + (-d) |
D. |
26 + (-d) |
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Hint |
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20. |
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. |
6.76 |
B. |
-6.76 |
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C. |
-33.30 |
D. |
33.30 |
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Hint |
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