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OpenStax, Introductory Business Statistics 2e §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 11 · Statistics · Describing data

Sigma Notation and Calculating the Arithmetic Mean · Exercise 11

A small class of 7 students has a mean grade of 82 on a test. If six of the grades are 80, 82,86, 90, 90, and 95, what is the other grade?

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OpenStax, Introductory Business Statistics 2e · §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 11

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