Statistics question a.3

Statistics
Tutor: None Selected Time limit: 1 Day

May 1st, 2015

xbar1-xbar2 =70.5-64.8 =5.7

Critical value =1.701

Standard error =0.88

Margin of error =1.701*0.88=1.49688 =1.50

Lower limit = 5.7-1.5 =4.2

upper limit =5.7+1.5 = 7.2

May 1st, 2015

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May 1st, 2015
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May 1st, 2015
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