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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CCSS.6.SP.A.1

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Is the question 'What is the tallest building in Chicago, IL?' a statistical question?

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No, because it seeks a specific answer without variability.

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CCSS.6.SP.A.1

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What is an example of a statistical question?

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'Flip a coin 10 times. How many heads did you get?' This question anticipates variability in the results.

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CCSS.6.SP.A.1

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What does it mean for a question to have a population in a statistical study?

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A population is the entire group that you want to draw conclusions about, while a sample is a subset of that population.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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Which of the following is NOT a possible population for a study based on Hamilton High School freshmen?

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The students in Ms. Anderson's science class, as they are not representative of the entire freshman class.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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Is the question 'What time must FPHS students be at school?' a statistical question?

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No, it is a specific question with a definitive answer.

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

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

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CCSS.6.SP.A.1

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Can a question about the average number of cars per family in Georgia be considered a statistical question?

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Yes, because it involves collecting data from multiple families and anticipates variability.

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CCSS.6.SP.A.1

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What is the importance of variability in statistical questions?

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Variability allows for the analysis of data trends and patterns, which is essential for making informed conclusions.

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CCSS.6.SP.A.3

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What type of data is typically collected to answer statistical questions?

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Quantitative data, which can be measured and expressed numerically, or qualitative data, which describes characteristics.