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1. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
1 |
B. |
9 |
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C. |
8 |
D. |
9.4 |
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Hint |
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2. |
What percent of the data is between 62 and 90 for Exam B? |
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A. |
100% |
B. |
75% |
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C. |
25% |
D. |
50% |
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Hint |
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3. |
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the fourth quarter? |
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A. |
15 |
B. |
27 |
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C. |
60 |
D. |
48 |
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Hint |
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4. |
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the third quarter? |
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A. |
60 |
B. |
48 |
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C. |
27 |
D. |
15 |
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Hint |
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5. |
What is implied when it is said that x and y have no correlation? |
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A. |
When the value of x increases, the value of y decreases. |
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B. |
When the value of x increases, the value of y increases. |
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C. |
When the value of x decreases, the value of y decreases. |
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D. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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Hint |
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6. |
In a factory, every tenth product out of 200 is quality tested. What kind of sampling is represented? |
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A. |
Convenience Sampling |
B. |
Cluster Sampling |
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C. |
Systematic Sampling |
D. |
Random Sampling |
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Hint |
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7. |
Six cars finished an auto race. Which car was the fastest? |
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A. |
A |
B. |
C |
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C. |
F |
D. |
D |
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Hint |
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8. |
What kind of sampling is represented by putting 50 names in a hat and drawing 5 of the names? |
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A. |
Convenience Sampling |
B. |
Random Sampling |
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C. |
Cluster Sampling |
D. |
Systematic Sampling |
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Hint |
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9. |
What best represents the data of 5 test scores in a stem-and-leaf plot? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Based on the stem-and-leaf plot, what is the mode? |
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A. |
93 |
B. |
62 |
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C. |
74 |
D. |
91 |
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Hint |
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11. |
The circle graph shows the percent of money earned by different groups at a school. The school earned a total of $35,450. Which sector represents the basketball team if they earned $12,670? |
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A. |
27% |
B. |
36% |
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C. |
21% |
D. |
8% |
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Hint |
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12. |
The circle graph shows the percent of money earned by different groups at a school. The school earned a total of $35,450. Which sector represents the theater club if they earned $7420? |
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A. |
8% |
B. |
21% |
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C. |
36% |
D. |
27% |
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Hint |
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13. |
The circle graph shows the percent of money earned by different groups at a school. The school earned a total of $42,785. How much did the math team earn if they represent the 14% sector? |
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A. |
$3065 |
B. |
$5990 |
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C. |
$1400 |
D. |
$1056 |
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Hint |
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14. |
If the average person in Australia consumes 125 pounds of fish a year, how many fish symbols on the pictograph are needed to represent this number? |
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A. |
12 fish |
B. |
10 fish |
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C. |
125 fish |
D. |
12 fish |
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Hint |
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15. |
The frequency table shows the results of a survey taken in a high school classroom. What is the most popular type of movie? |
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A. |
Romance |
B. |
Drama |
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C. |
Comedy |
D. |
Adventure |
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Hint |
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16. |
The frequency table shows the results of a survey taken in a high school classroom. How many more students chose Adventure over Drama? |
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A. |
11 |
B. |
2 |
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C. |
24 |
D. |
5 |
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Hint |
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17. |
The frequency table shows the results of a survey taken in a high school classroom. Which two movie types together have the same frequency as Romance? |
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A. |
Horror and Adventure |
B. |
Comedy and drama |
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C. |
Adventure and Drama |
D. |
Horror and Comedy |
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Hint |
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18. |
The frequency table shows the results of a survey taken in a high school classroom. How many more students chose Romance over Comedy? |
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A. |
18 |
B. |
5 |
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C. |
4 |
D. |
77 |
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Hint |
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19. |
Using the box-and-whisker plot, what is the third quartile of Exam B? |
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A. |
95 |
B. |
88 |
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C. |
90 |
D. |
50 |
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Hint |
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20. |
Using the box-and-whisker plot, what is the least value of the data for exam A? |
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A. |
65 |
B. |
50 |
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C. |
83 |
D. |
45 |
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Hint |
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