Statistic question a.3

User Generated

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Mathematics

Description

User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Explanation & Answer

n1=10 

s1= 3.08

n2=20

s2 = 1.75

sp =sqrt((9*3.08^2+19*1.75^2)/28)

sp =2.26436

standard error =sp *sqrt(1/10+1/20)=0.876983=0.88



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