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.To determine whether such an approach would be
Effective, they randomly select 16 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.To determine if anxiety levels about ERP decreases as a result
Of the workshop, they should use a
A)one-tailed test of two proportions.
B)two-tailed test of two independent means.
C)one-tailed test of two independent means.
D)two-tailed paired t-test.
E)one-tailed paired t-test.

Question

Quizplus · Accepted Answer

The correct approach is a one-tailed paired t-test because the same group of employees is measured before and after the workshop, making it a paired design, and the hypothesis specifically looks for a decrease in anxiety levels, making it one-tailed.

A Mid-Sized Company Has Decided to Implement an Enterprise Resource