Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 13th, 2015

S.error =9.21

Tabular value =1.746

Margin of error = 9.21*1.746 =16.081

Mu1-mu2=74.8-69.8 =5

Lower limit = 5-16.08 = -11.08

Upper limit =5+16.08 =21.08

If we use 1.943

1.943*9.21 = 17.895=17.90

Lower limit = 5-17.90 =-12.90

Upper limit =5+17.90= 22.90


Apr 13th, 2015

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