Question
In which of the following situations is it reasonable to use the entire population instead of a sample to collect data?(1 point)
Responses
A scientist wants to determine the average age of the trees in a national forest.
A scientist wants to determine the average age of the trees in a national forest.
A teacher wants to know his students’ favorite holiday in all of his math classes.
A teacher wants to know his students’ favorite holiday in all of his math classes.
A university dean wants to estimate the number of students who work and study at the same time.
A university dean wants to estimate the number of students who work and study at the same time.
A store manager wants to know the percentage of customers who prefer cold coffee over hot coffee.
A store manager wants to know the percentage of customers who prefer cold coffee over hot coffee.
Responses
A scientist wants to determine the average age of the trees in a national forest.
A scientist wants to determine the average age of the trees in a national forest.
A teacher wants to know his students’ favorite holiday in all of his math classes.
A teacher wants to know his students’ favorite holiday in all of his math classes.
A university dean wants to estimate the number of students who work and study at the same time.
A university dean wants to estimate the number of students who work and study at the same time.
A store manager wants to know the percentage of customers who prefer cold coffee over hot coffee.
A store manager wants to know the percentage of customers who prefer cold coffee over hot coffee.
Answers
Answer
A farmer wants to know if her apples are sweet enough for juice. The farm has 12,000 apple trees. Each one has at least 230 apples. The farmer randomly chose 700 trees and picked one apple from each tree for testing. She then generalized that the trees are sweet enough for juice. Is the farmer’s generalization valid?(1 point)
Responses
No, because she did not include all 12,000 trees in the sample.
No, because she did not include all 12,000 trees in the sample.
No, because 700 trees in the sample is too large.
No, because 700 trees in the sample is too large.
Yes, because all the trees in the sample have at least 230 apples.
Yes, because all the trees in the sample have at least 230 apples.
Yes, because the trees in the sample are chosen randomly. The sample size also appears to be large enough to avoid bias.
Yes, because the trees in the sample are chosen randomly. The sample size also appears to be large enough to avoid bias.
Responses
No, because she did not include all 12,000 trees in the sample.
No, because she did not include all 12,000 trees in the sample.
No, because 700 trees in the sample is too large.
No, because 700 trees in the sample is too large.
Yes, because all the trees in the sample have at least 230 apples.
Yes, because all the trees in the sample have at least 230 apples.
Yes, because the trees in the sample are chosen randomly. The sample size also appears to be large enough to avoid bias.
Yes, because the trees in the sample are chosen randomly. The sample size also appears to be large enough to avoid bias.
Answered by
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In which of the following situations is it reasonable to use the entire population instead of a sample to collect data?(1 point) Responses A store manager wants to know the percentage of customers who prefer cold coffee over hot coffee. A store manager wants to know the percentage of customers who prefer cold coffee over hot coffee. A university dean wants to estimate the number of students who work and study at the same time. A university dean wants to estimate the number of students who work and study at the same time. A teacher wants to know his students’ favorite holiday in all of his math classes. A teacher wants to know his students’ favorite holiday in all of his math classes. A scientist wants to determine the average age of the trees in a national forest. A scientist wants to determine the average age of the trees in a national forest.
ANSWER: A teacher wants to know his students’ favorite holiday in all of his math classes.
ANSWER: A teacher wants to know his students’ favorite holiday in all of his math classes.
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