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1. |
What is the interval? |
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A. |
10 |
B. |
51-100 |
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C. |
9 |
D. |
50 |
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Hint |
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2. |
Choose an appropriate scale for the data 31, 25, 37, 41, and 38. |
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A. |
0-100 |
B. |
0-50 |
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C. |
31-38 |
D. |
25-41 |
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Hint |
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3. |
The following are scores on an English exam. The highest score possible is 100. Where is there a cluster? |
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A. |
60-75 |
B. |
90-100 |
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C. |
20-100 |
D. |
20-30 |
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Hint |
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4. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
9 |
B. |
8 |
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C. |
1 |
D. |
9.4 |
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Hint |
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5. |
Which interval has the most values? |
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A. |
60-69 |
B. |
10-19 |
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C. |
70-79 |
D. |
90-99 |
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Hint |
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6. |
Which value occurred the most often? |
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A. |
78 |
B. |
0 |
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C. |
77 |
D. |
70 |
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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. |
incomplete data |
B. |
inaccurate data |
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C. |
too much data |
D. |
outliers in the data |
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Hint |
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8. |
In what month will Classic Comics probably begin to make more than $150 on the Internet? |
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A. |
October |
B. |
September |
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C. |
November |
D. |
December |
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Hint |
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9. |
What is the least energy used by any of these states (in hundred trillion BTU's)? |
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A. |
6 |
B. |
4 |
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C. |
5 |
D. |
7 |
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Hint |
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10. |
The median is the __________ of a set of numbers. |
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A. |
middle number |
B. |
arithmetic average |
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C. |
most frequent number |
D. |
highest number |
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Hint |
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11. |
In a set of data, if the interquartile range is 8, the upper quartile is at 17, what is the highest number that could be in the data without being an outlier? |
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A. |
52 |
B. |
29 |
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C. |
50 |
D. |
30 |
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Hint |
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12. |
What is the lower extreme for the quiz scores? |
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A. |
3 |
B. |
12 |
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C. |
15 |
D. |
20 |
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Hint |
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13. |
The scatter plot shows the number of students per computer in U.S. public schools. Assume the number of students stays the same throughout the years. Choose the statement that best describes the data. |
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A. |
There are more computers in schools in 2000 than their were in 1990. |
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B. |
Their are more computers in schools in 1990 than their were in 2000. |
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C. |
In the future, their will be more students per computer. |
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D. |
In the future, their will be 0 students per computer. |
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Hint |
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14. |
Make a bar graph to display the data in the table. |
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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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15. |
The graphs below show the number of minutes spent on the phone. Which graph would you use to determine how many calls were between 6 and 20 minutes? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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16. |
Both bar graphs show the amount it costs to heat a two-story house during the winter. Which graph is misleading? Explain. |
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A. |
Graph B; there is a break in the vertical scale, the cost of heating the house in January appears to be much greater than heating the house in November. |
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B. |
Graph B; the months are not ordered from least to greatest cost. |
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C. |
Graph A; the months are not ordered from greatest to least cost. |
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D. |
Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same. |
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Hint |
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