Question 1
A nationwide parcel delivery service keeps track of the number of late deliveries (more than 30 minutes past the time promised to clients) per day. They plan on using a control chart to plot their results. Which type of control chart(s) would you recommend?
◦ c-charts
◦
-, but not R-charts
◦
- and R-charts
◦ both p- and c-charts
◦ p-charts
Question 2
A run test is used
◦ in acceptance sampling to establish control.
◦ to examine points in a control chart to check for natural variability.
◦ in acceptance sampling to establish sample size.
◦ to examine points in a control chart to check for nonrandom variability.
◦ to examine variability in acceptance sampling plans.
Ankle Reflex Test
Test Paper
Cylinder Leakage Test
Exhaust Restriction Test
Heel-to-shin test
Schamroth test A. Healthy nail B. Clubbing