Apply the Paired T-Test

question 17

Multiple Choice

Apply the paired t-test.
-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 paired t-test.
• 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 test of two proportions.

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Definitions:

Resistance Training

A form of exercise that improves strength and endurance by contracting muscles against a resisting force, utilizing free weights, machines, or body weight.

Aerobic Exercise

Physical activity that relies on the oxygenation of blood through the heart to supply energy, typically involving prolonged, moderate intensity activities.

Scoliosis

A medical condition characterized by a lateral curvature of the spine, which can affect posture and mobility.

Vertebral Rotation

A movement or condition where the vertebrae turn around their longitudinal axis, common in discussions of spinal health and alignment.