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 'How many apps does each of your classmates have on their phones?' a statistical question?

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Yes, because it involves collecting data from multiple individuals.

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CCSS.6.SP.A.1

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Is 'How many siblings do each of your classmates have?' a statistical question?

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Yes, it requires data collection from multiple individuals.

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CCSS.6.SP.A.1

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Is 'How many students in your class ate breakfast this morning?' a statistical question?

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No, it seeks a specific count from a single instance.

Tags

CCSS.6.SP.A.1

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What is the purpose of collecting a sample in statistics?

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To make inferences about a larger population when it is impractical to collect data from the entire population.

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CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

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What is an experimental research method?

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A method where researchers manipulate one variable to determine its effect on another variable.

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CCSS.HSS.IC.B.3

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What is a census in research?

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A census is a study that attempts to collect data from every member of a population.

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CCSS.6.SP.B.5A

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What is a sample survey?

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A sample survey is a method of collecting data from a subset of a population to make inferences about the whole.

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CCSS.HSS.IC.B.3

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What is an observational study?

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An observational study is a research method where the researcher observes and records behavior without manipulating any variables.

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CCSS.HSS.IC.B.3

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Why is it important to understand variability in data?

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Understanding variability helps in making accurate predictions and informed decisions based on data.

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CCSS.6.SP.A.3