Statistical Questions

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What is a statistical question?

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A statistical question is one that anticipates variability in the data and can be answered by collecting data that varies.

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Is 'How old is the Statue of Liberty?' a statistical question?

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No, it is not a statistical question because it has a specific answer and does not involve variability.

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Is 'How many apps does each of your classmates have on their phones?' a statistical question?

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Yes, it is a statistical question because it involves collecting data from multiple individuals, which will vary.

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Is 'How many Presidents can each person in the class name?' a statistical question?

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Yes, it is a statistical question because it requires data collection from multiple individuals, and the answers will vary.

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Is 'Which student sold the most boxes of candy for the fundraiser?' a statistical question?

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No, it is not a statistical question because it seeks a specific answer rather than data from a group.

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Is 'How many students in your class ate breakfast this morning?' a statistical question?

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No, it is not a statistical question because it seeks a specific count rather than variability.

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What is an example of a statistical question?

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An example of a statistical question is 'What is the average number of books read by students in your class this year?'

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Why is variability important in statistical questions?

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Variability is important because it allows us to understand differences and trends within a group, leading to more meaningful conclusions.

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What type of data is collected for statistical questions?

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Quantitative data (numerical) or qualitative data (categorical) that can show variability.

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What is the difference between a statistical question and a non-statistical question?

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A statistical question anticipates variability and requires data collection, while a non-statistical question has a fixed answer.