A mid-sized company has decided to implement an enterprise resource planning(ERP

Question

A mid-sized company has decided to implement an enterprise resource planning(ERP) system, and management suspects that many of its employees are concerned about the planned implementation. Managers are considering holding informational workshops to help decrease anxiety levels among employees. They randomly select 4 employees to participate in a pilot workshop. These employees were given a questionnaire to measure anxiety levels about ERP before and after participating in the workshop. What is the standard error for the mean difference in anxiety levels pre- and post-workshop? 0.502 2.084 0.287 3.657 0.913

Explanation / Answer

hence option E is correct

pre post difference(d) 4 2 2 2 2 0 4 1 3 6 7 -1 mean 1.000 std deviaition 1.8257 sample size 4.0000 std error= std dev/(n)^(1/2) 0.9129

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