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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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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Example of a statistical question:

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What is the average height of sixth graders in our school?

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Example of a non-statistical question:

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How tall is the tallest student in our class?

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Why are statistical questions important?

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They help us understand trends, make predictions, and inform decisions based on data.

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What does it mean to collect data?

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Collecting data means gathering information that can be analyzed to answer statistical questions.

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What is variability in data?

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

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What is a sample in statistics?

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A sample is a subset of a population used to represent the whole population.

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What is a population in statistics?

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A population is the entire group that you want to draw conclusions about.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numbers and measurements.