Good Statistical Question? Yes or No~

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What is a good statistical question?

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A good statistical question anticipates variability in the data and can be answered by collecting data. It often involves a comparison or a relationship between groups.

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What is a bad statistical question?

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A bad statistical question is one that can be answered with a single value or does not involve variability. It often seeks a specific answer without considering a broader context.

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Why is 'How many students passed the math test?' a bad statistical question?

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This question does not account for variability; it seeks a single number without considering the performance of different groups or classes.

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Why is 'What were the scores for each basketball game last season?' a good statistical question?

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This question allows for the collection of data across multiple games, showing variability in scores and enabling analysis.

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What does it mean to anticipate variability in a statistical question?

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Anticipating variability means recognizing that the answer will not be a single value but will vary across different observations or groups.

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How can you tell if a question is statistical?

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A question is statistical if it requires data collection and analysis to answer, and if it involves variability among the data.

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What is an example of a good statistical question?

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'What is the average height of students in grade 9 at our school?' This question allows for data collection and analysis of variability.

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What is an example of a bad statistical question?

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'Who is the tallest student in the class?' This question seeks a specific answer without considering variability.

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What is the importance of context in statistical questions?

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Context helps to frame the question, guiding what data to collect and how to interpret the results.

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How does grouping data help in answering statistical questions?

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Grouping data allows for comparisons and helps to identify patterns or trends within the data.