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1. |
Ten students were comparing their weekly allowances. The allowances were $4.50, $7.00, $5.00, $10.00, $5.00, $12.50, $8.50, $17.50, $20.00, and $12.00. What is the mean of this set of data? |
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A. |
$102.00 |
B. |
$9.25 |
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C. |
$5.00 |
D. |
$10.20 |
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Hint |
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2. |
The 1996 populations of the five largest cities in Maryland were 675,401, 46,227, 46,019, 45,361, and 40,181. What is the median population of the five cities? |
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A. |
170,637.8 |
B. |
45,794 |
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C. |
357,791 |
D. |
46,019 |
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Hint |
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3. |
The heights, in feet, of the eight highest waterfalls in the world are 3281, 3000, 2000, 1904, 1650, 1612, 1430, and 1384. Find the range of this data set. |
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A. |
1897 |
B. |
2033 |
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C. |
948.5 |
D. |
1777 |
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Hint |
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4. |
In New York City Crystal, Jolon, Ke-Min and Darnell are all software engineer managers. Their yearly salaries are, consecutively, $121,000, $115,000, $108,000, and $126,000. What is the mean, or average, of their yearly salaries? |
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A. |
$120,500 |
B. |
$110,000 |
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C. |
$117,500 |
D. |
$189,000 |
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Hint |
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5. |
The following shows the number of people that ate at a fast food restaurant each hour. What is the mode of the data? |
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A. |
50 customers |
B. |
20 customers |
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C. |
30 customers |
D. |
40 customers |
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Hint |
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