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 many inches of rain did we get each day last week?' a statistical question?

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Yes, because it involves collecting data that varies over a period of time.

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

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No, because it seeks a specific answer without variability.

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What is a non-statistical question?

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A non-statistical question is one that can be answered with a single value or fact, without the need for data collection.

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Is 'How many siblings does Mr. Yee have?' a statistical question?

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No, it is a non-statistical question because it has a specific answer.

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Choose the statistical question: 'What time did you wake up this morning?' or 'What time do sixth graders wake up each morning during the school week?'

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'What time do sixth graders wake up each morning during the school week?' is a statistical question because it involves a group and variability.

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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 a non-statistical question because it seeks a specific count for a single instance.

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What is an example of a statistical question?

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An example is 'What is the average height of students in the sixth grade?'

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What does variability mean in statistics?

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Variability refers to how much the data points differ from each other.

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Why is it important to identify statistical questions?

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Identifying statistical questions helps in understanding data collection and analysis.