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1. |
Suppose you want to determine the favorite food of students in your school. Which would not provide a random sample? |
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A. |
surveying every tenth student on the school roster |
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B. |
surveying three students from each homeroom class |
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C. |
surveying every fifth student to enter the school in the morning |
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D. |
surveying customers at a nearby hamburger stand |
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Hint |
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2. |
Rosa conducted a survey of students' favorite types of music. The results are shown in the table. Of the 550 students in the whole school, how many would you expect to prefer Pop/Rock? |
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A. |
264 |
B. |
396 |
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C. |
154 |
D. |
132 |
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Hint |
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3. |
Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time. Sample 1: RRBB Sample 2: BGRR Sample 3: RWRB Sample 4: RGBW Find the best estimate of the number of red balls in the bag. |
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A. |
9 |
B. |
1 |
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C. |
3 |
D. |
5 |
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Hint |
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4. |
Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time. Sample 1: RRBB Sample 2: BGRR Sample 3: RWRB Sample 4: RGBW Find the best estimate of the number of blue balls in the bag. |
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A. |
3 |
B. |
0 |
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C. |
8 |
D. |
6 |
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Hint |
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5. |
Taylor and Isabel played a game with red, blue, white, and green balls. They had a bag with 10 balls. They took 4 samples of 4 balls at a time. Sample 1: RRBB Sample 2: BGRR Sample 3: RWRB Sample 4: RGBWFind the best estimate of the number of green balls in the bag. |
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A. |
6 |
B. |
1 |
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C. |
3 |
D. |
9 |
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Hint |
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