Statistics questions

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

Standard error = sqrt( 12.062/32+11.822/44)=2.77856= 2.779

z = (86.79-79.92)/2.779 = 6.87/2.779=2.47



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