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1. |
Find the mode of the set of data. 24, 25, 30, 31, 31, 33, 34, 38, 41, 42, 44, 48, 49, 67 |
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A. |
67 |
B. |
34 |
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C. |
36 |
D. |
31 |
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Hint |
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2. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80? |
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A. |
97 |
B. |
93 |
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C. |
100 |
D. |
80 |
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Hint |
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3. |
Which type of display is most appropriate for showing scores on a standardized exam in a particular city? |
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A. |
histogram |
B. |
scatter plot |
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C. |
line plot |
D. |
bar graph |
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Hint |
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4. |
The following frequency table lists various times of the 100-meter freestyle swim meet. Draw a histogram for the data. |
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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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5. |
You are about to conduct a survey on Internet usage of the students in your school. From the different types of questions you might ask of the students, which one would not be related to your survey. |
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A. |
Do students have a computer at home? |
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B. |
How much time do the students typically spend on the Internet each day? |
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C. |
What are the students' favorite activities on the Internet? |
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D. |
Do boys and girls like different Internet activities? |
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Hint |
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6. |
What statistical measure(s) would you use if you wanted to know the answer to this question on a survey: How many hours do students typically spend on homework every night? |
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A. |
mode |
B. |
all answers are correct |
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C. |
median |
D. |
mean |
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Hint |
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7. |
What type of graph would you use if you were comparing data for two groups? |
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A. |
double bar graph |
B. |
pictograph |
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C. |
histogram |
D. |
bar graph |
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Hint |
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8. |
What data would you display using a stacked bar graph? |
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A. |
the number of commuter trains leaving the station at 7:00 A.M. and at 7:30 A.M. |
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B. |
the number of computers in a classroom |
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C. |
the number of colors in a set of markers |
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D. |
the number of sunny and cloudy days in January, February, and March |
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Hint |
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9. |
The following Chapter 6 test scores, out of 100 points, were taken from the fourth period class. Which type of graph would you not want to use to display the results?
86, 79, 92, 96, 88, 85, 80, 88, 83, 77, 81, 72, 90, 69, 89 |
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A. |
stacked bar graph |
B. |
histogram |
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C. |
stem-and-leaf-plot |
D. |
line plot |
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Hint |
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10. |
The stacked bar graph shows the number of wins each of three intramural hockey teams had in four consecutive years. Which two teams had the same number of wins in the same season? |
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A. |
Bears and Cheetahs, 2000 |
B. |
Cheetahs and Bears, 1997 |
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C. |
Bears and Hawks, 1998 |
D. |
Hawks and Cheetahs, 1999 |
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Hint |
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