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1. |
Which of the following would not be a sample from a population set of all of the farms in Nebraska? |
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A. |
One farm is selected in each 20 square mile area of the state |
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B. |
The farms are split into groups based on what they produce, and then 4 are selected from each group. |
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C. |
25 houses with pets are selected from any part of the state. |
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D. |
12 farms are selected from any part of the state. |
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Hint |
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2. |
Every fifth person that comes out of a library is asked whether they prefer to read a book or watch a movie. Is this biased or unbiased and why? |
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A. |
biased, because the sample is not representative of everyone in the library |
B. |
unbiased, because they are using a systematic random sample |
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C. |
biased, because a library loans out primarily books |
D. |
unbiased, because the location is not important |
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Hint |
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3. |
Steve needed to find out which classes people liked the most. Therefore, after he arrived at his math club meeting, he asked some people there. What kind of sample is this? |
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A. |
biased, convenience |
B. |
biased, voluntary |
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C. |
unbiased, random stratified sample |
D. |
unbiased, random sample |
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Hint |
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4. |
Which of the following is not necessarily considered a part of the population? |
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A. |
biased sample |
B. |
random sample |
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C. |
the data collector |
D. |
census |
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Hint |
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5. |
Which reflects the convenience sampling method that a language arts teacher might use to identify the most popular book read by the language arts students? |
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A. |
Ask all the students in one geometry class. |
B. |
Ask the first 10 students who walk into the classroom. |
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C. |
Ask students who are wearing a red shirt. |
D. |
Ask every third student from the 60 students sitting in a study hall. |
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Hint |
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