OpenStax, Introductory Business Statistics 2e §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 5 · Statistics · Describing data
Sigma Notation and Calculating the Arithmetic Mean · Exercise 5
A teacher records grades for a class of 70, 72, 79, 81, 82, 82, 83, 90, and 95. What is the mean of these grades?
OpenStax, Introductory Business Statistics 2e · §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 5
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