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7sp1 Worksheets

Statistics & Probability Use random sampling to draw inferences about a population. 1Understand that statistics can be used to gain information about a population by examining a sample of the population; generalizations about a population from a sample are valid only if the sample is representative of that population. Understand that random sampling tends to produce representative samples and support valid inferences.

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Examining Samples

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Decide whether a sample is likely to represent a whole population fairly.
Spot sources of bias in how data is collected, like who was asked or how people were chosen.
Explain why random sampling usually gives more reliable information than picking people conveniently.
Use information from a sample to make a reasonable guess about what might be true for the full population.

7sp1 Worksheets - Identifying Populations and Samples worksheet

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Identifying Populations and Samples

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Tell the difference between a population (the whole group) and a sample (part of the group).
Spot when a sample is only a small part of the population and may not represent everyone.
Use the words population and sample correctly when talking about data.

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