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1. |
A scatter plot is __________. |
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A. |
a line graph |
B. |
a table of data |
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C. |
a line graphed in a portion of Quadrant I of the coordinate plane |
D. |
a set of data graphed as ordered pairs in a coordinate plane |
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Hint |
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2. |
Draw a box-and-whisker plot of 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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3. |
A hockey team has red sweaters, white sweaters, and blue sweaters. The team uses red or blue pants and red or white socks. Find the number of possible uniforms. |
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A. |
7 |
B. |
12 |
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C. |
5 |
D. |
10 |
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Hint |
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4. |
How many different ways can a coach make a team of 18 players from a tryout of 20 people? |
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A. |
6,840 |
B. |
3,420 |
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C. |
190 |
D. |
380 |
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Hint |
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5. |
A composition teacher needs to choose 10 students out of 15 to serve as rough draft reviewers. A group of 10 seniors, 3 juniors, and 2 sophomores have volunteered. How many different ways can the teacher choose 10 students? |
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A. |
3,003 |
B. |
36,036 |
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C. |
133,133 |
D. |
360,360 |
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Hint |
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6. |
A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a black marble followed by a red marble? |
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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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7. |
A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a black marble followed by a red marble? |
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A. |
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B. |
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C. |
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D. |
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8. |
A number cube is rolled and a coin is tossed. What is the probability of rolling a 5 and tossing tails? |
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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. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a five? |
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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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10. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a six? |
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A. |
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B. |
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C. |
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D. |
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11. |
Elizabeth has 12 female friends and 10 male friends. If she is having an eight-person party, what is the probability that there will be 5 girls and 3 boys, if she chooses people at random? |
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A. |
0.152 |
B. |
0.149 |
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C. |
0.594 |
D. |
0.297 |
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Hint |
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12. |
Which of the graphs will have the lowest standard deviation? |
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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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13. |
Two cubes are rolled. What is the probability that the sum of the numbers is 4 or 7? |
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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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14. |
Compute the variance and standard deviation for the set of {3, 4, 4, 7, 9, 9, 12, 16}. Round to the nearest tenth. |
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A. |
4.2; 2.0 |
B. |
15.8; 4.0 |
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C. |
16.5; 4.1 |
D. |
17.5; 4.2 |
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Hint |
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