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April 19, 2015

April 19, 2015

Posted by **Tina** on Friday, February 24, 2012 at 2:13pm.

- Statistics -
**MathGuru**, Friday, February 24, 2012 at 7:10pmCI80 = mean ± 1.28(sd/√n)

mean = 150

sd = 40

n = 36

Calculate your interval using the above formula.

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