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lesson 21
1 hour

Margin of Error When Estimating a Population Mean (Continued)


Description

Students use a formula for the standard deviation of the sample mean, 𝑠√𝑛, where 𝑠 is the standard deviation of the sample and 𝑛 is the size of the sample. The margin of error, 2 (𝑠√𝑛), is based on a single random sample, thus making the work much easier.

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Credits

From EngageNY.org of the New York State Education Department. Algebra II Module 4, Topic C, Lesson 21. Available from engageny.org/resource/algebra-ii-module-4-topic-c-lesson-21; accessed 2015-05-29.
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