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1. |
A graph is misleading if ______. |
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A. |
there are no labels on either scale |
B. |
it has a title |
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C. |
it is a line graph with years labeled on the horizontal axis |
D. |
it is a bar graph |
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Hint |
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2. |
On how many days was the temperature below 76 degrees? |
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A. |
2 |
B. |
1 |
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C. |
5 |
D. |
6 |
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Hint |
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3. |
How can a line graph be used to make predictions? |
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A. |
It has a title. |
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B. |
It displays data. |
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C. |
It shows a trend over time. |
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D. |
It has vertical and horizontal scales. |
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Hint |
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4. |
The following are scores on an English exam. The highest score possible is 100. Where is there a cluster? |
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A. |
20-100 |
B. |
20-30 |
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C. |
60-75 |
D. |
90-100 |
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Hint |
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5. |
Which value occurred the most often? |
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A. |
77 |
B. |
0 |
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C. |
78 |
D. |
70 |
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6. |
If the number 178,651 is rounded to 179,000 and plotted on a stem and leaf plot as 17|9, how would you plot 151,205? |
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A. |
15|1 |
B. |
15|2 |
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C. |
1|15 |
D. |
151|2 |
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Hint |
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7. |
What is the median for a set of quiz scores? |
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A. |
17 |
B. |
15 |
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C. |
13 |
D. |
16 |
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8. |
Which is the correct box-and-whisker plot for the quiz scores? |
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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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9. |
How many baseball players had a batting average above .250? |
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A. |
9 |
B. |
7 |
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C. |
11 |
D. |
2 |
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Hint |
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10. |
What is the least energy used by any of these states (in hundred trillion BTU's)? |
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A. |
7 |
B. |
5 |
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C. |
6 |
D. |
4 |
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Hint |
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11. |
Ben races motorcycles for fun. So far, his lap times, in seconds, are 32, 35, 33, and 32. What time must Ben get on his final lap for his average lap time to be 32.6? |
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A. |
32.6 |
B. |
32 |
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C. |
33 |
D. |
31 |
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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. |
15 |
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C. |
20 |
D. |
12 |
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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. |
All three measures of central tendency are presented. |
B. |
The scale is altered on a graph. |
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C. |
The actual data are shown, and you are allowed to figure out the measures of central tendency on your own. |
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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14. |
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. |
In the future, their will be more students per computer. |
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B. |
There are more computers in schools in 2000 than their were in 1990. |
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C. |
Their are more computers in schools in 1990 than their were in 2000. |
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D. |
In the future, their will be 0 students per computer. |
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Hint |
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15. |
Which bar graph shows the number of endangered species by group in the U.S.? |
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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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16. |
Which frequency table matches the histogram below? |
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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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