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Use random sampling to draw inferences about a population.

Use random sampling to draw inferences about a population.

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Use random sampling to draw inferences about a population.

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  1. Use random sampling to draw inferences about a population. MCC7.SP.1 Understand 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. MCC7.SP.2 Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples (or simulated samples) of the same size to gauge the variation in estimates or predictions

  2. The double box plot shows the daily number of customers for two ice cream parlors. Compare the centers and variations of the two populations. Which ice cream parlor has the greater number of daily customers?

  3. The double box plot shows the daily number of customers for two ice cream parlors. Compare the centers and variations of the two populations. Which ice cream parlor has the greater number of daily customers? The Corner Creamery’s data centers around 70 customers with an interquartile range of 35 customers. Sue’s Ice Cream data centers around 50 customers with an interquartile range of 20 customers. Overall, Corner Creamery has a greater number of daily customers, but Sue’s Ice Cream has a greater consistency in its distribution.

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