Identifying Statistical Questions

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What is a statistical question?

Back

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

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Give an example of a statistical question.

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How many hours do 6th graders spend on homework each week?

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What is a non-statistical question?

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A non-statistical question is one that expects a single answer and does not involve variability.

Front

Give an example of a non-statistical question.

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How many students are in the 6A class?

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What must a statistical question have?

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Many different answers.

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Why is 'How many goals has each member of the soccer team scored?' a statistical question?

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Because it requires data collection from multiple individuals, leading to different answers.

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Why is 'How many goals has Christopher scored?' not a statistical question?

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Because it seeks a single answer about one individual.

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What type of data do statistical questions often involve?

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Quantitative data that can be measured or counted.

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What is the difference between descriptive statistics and inferential statistics?

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Descriptive statistics summarize data from a sample, while inferential statistics make predictions or inferences about a population based on a sample.

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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.