Statistics questions

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 15th, 2015

Standard error =sqrt(sigma12/n1+sigma22/n2)

=sqrt(3.322/175+2.972/132)= 0.360292

Critical value for 95% =1.96

Margin of error =1.96 *0.360292=0.706172


Apr 15th, 2015

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