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OpenStax, Introductory Business Statistics 2e §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 13 · Statistics · Describing data

Sigma Notation and Calculating the Arithmetic Mean · Exercise 13

If the mean of 20 prices is $10.39, and 5 of the items with a mean of $10.99 are sampled, what is the mean of the other 15 prices?

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OpenStax, Introductory Business Statistics 2e · §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 13

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