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

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A statistical question requires data collection and analysis to answer, while a non-statistical question can be answered with a single value or fact.

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Give an example of a statistical question.

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How many hours do students at CRHS spend on homework each week?

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What is the purpose of asking statistical questions?

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The purpose is to gather data about a topic to identify patterns, trends, or problems.

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What types of data can be collected for statistical questions?

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Quantitative data (numerical) and qualitative data (categorical) can be collected.

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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 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 a sample in statistics?

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

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What is the importance of sampling in statistics?

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Sampling allows researchers to make inferences about a population without surveying every individual.

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What is a survey?

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A survey is a method of collecting data by asking people questions.