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January 28, 2015

January 28, 2015

Posted by **Laddi** on Monday, December 10, 2012 at 8:45pm.

- Beginning of Stats -
**MathGuru**, Tuesday, December 11, 2012 at 6:15pmCI90 = mean ± 1.645 (sd/√n)

With your data:

CI90 = 12.4 ± 1.645 (2.2/√50)

I'll let you finish the calculation.

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