An Army Depot That Overhauls Ground Mobile Radar Systems Is

question 11

Multiple Choice

An army depot that overhauls ground mobile radar systems is interested in improving its processes.One problem involves troubleshooting a particular component that has a high
Failure rate after it has been repaired and reinstalled in the system.The shop floor supervisor
Believes that having standard work procedures in place will reduce the time required for
Troubleshooting this component.Time (in minutes) required troubleshooting this component
Without and with the standard work procedure is recorded for a sample of 19 employees.In
Order to determine if having a standard work procedure in place reduces troubleshooting
Time, they should use

• A)a test of two proportions.
• B)a two-tailed test of two independent means.
• C)a one-tailed test of two independent means.
• D)a two-tailed paired t-test.
• E)a one-tailed paired t-test.

---

Definitions:

Osteoporosis

A condition characterized by weakened bones, increasing the risk of fractures, commonly occurring in the elderly.

Rheumatoid Arthritis

A chronic inflammatory disorder that typically affects the small joints in hands and feet, involving painful swelling and potential joint deformity.

Biceps Brachii

A muscle of the upper arm that flexes the elbow and rotates the forearm, consisting of two heads.

Flex

The action of tightening a muscle or muscles to make it or them stand out or become rigid, often demonstrating strength.