Multiple Choice
Instruction 18-9
A quality control analyst for a light bulb manufacturer is concerned that the time it takes to produce a batch of light bulbs is too erratic.Accordingly,the analyst randomly surveys 10 production periods each day for 14 days and records the sample mean and range for each day.
-Referring to Instruction 18-9,suppose the sample mean and range data were based on 11 observations per day instead of 10.How would this change affect the lower and upper control limits of the R chart?
A) Both LCL and UCL would remain the same.
B) LCL would remain the same;UCL would decrease.
C) LCL would increase;UCL would decrease.
D) LCL would decrease;UCL would increase.
Correct Answer:
Verified
Correct Answer:
Verified
Q32: Instruction 18-9<br>A quality control analyst for a
Q34: Instruction 18-13<br>A supplier of silicone sheets
Q35: Instruction 18-4<br>A manufacturer of computer disks
Q37: Instruction 18-8<br>Below is the number of
Q38: Variation signalled by individual fluctuations or patterns
Q40: Instruction 18-13<br>A supplier of silicone sheets
Q78: Developing operational definitions for each critical-to-quality characteristic
Q82: Larger C<sub>pk</sub> indicates larger capability of meeting
Q85: One of the morals of the red
Q96: Which of the following best measures the