Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 13th, 2015

z = (xbar1-xbar2)/standard error = (12.71-15.41)/0.710 = -2.7/0.710 = -3.80


Apr 13th, 2015

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Apr 13th, 2015
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Apr 13th, 2015
Feb 28th, 2017
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