Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 11th, 2015

xbar =11.2

sigma=2.1

n=602

Standard error =2.1/sqrt(602)=0.08559

Critical value =2.33

Margin of error = 2.33 * 0.08559 =0.1994= 0.2

Lower limit =11.2-0.2= 11.0

Upper limit =11.2+0.2=11.4


Apr 11th, 2015

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