OP M choice Q&A
d. start from here may be on friday test - (correct answer)Which of the following is true
of a p-chart?
a. The lower control limit is found by subtracting a fraction from the average number of
defects.
b. The lower control limit indicates the minimum acceptable number of defects.
c. The lower control limit may be below zero.
d. The lower control limit may be at zero.
e. The lower control limit is the same as the lot tolerance percent defective. d. The lower
control limit may be at zero.
c. - (correct answer)The normal application of a p-chart is in
a. process sampling by variables
b. acceptance sampling by variables
c. process sampling by attributes
d. acceptance sampling by attributes
e. none of the above
b. - (correct answer)The local newspaper receives several complaints per day about
typographic errors. Over a sevenday
period, the publisher has received calls from readers reporting the following number of
errors:
4, 3, 2, 6, 7, 3, and 9. Based on these data alone, what type of control chart(s) should
the publisher
use?
a. p-chart
b. c-chart
c. x -chart
d. R-chart
, e. x - and R-charts
b. - (correct answer)A manufacturer uses statistical process control to control the quality
of the firm's products. Samples
of 50 of Product A are taken, and a defective/acceptable decision is made on each unit
sampled.
For Product B, the number of flaws per unit is counted. What type(s) of control charts
should be
used?
a. p-charts for A and B
b. p-chart for A, c-chart for B
c. c-charts for both A and B
d. p-chart for A, mean and range charts for B
e. c-chart for A, mean and range charts for B
c. - (correct answer)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?
a. x - and R-charts
b. p-charts
c. c-charts
d. x -, but not R-charts
e. both p- and c-charts
d. - (correct answer)A run test is used
a. to examine variability in acceptance sampling plans
b. in acceptance sampling to establish control
c. to examine points in a control chart to check for natural variability
d. start from here may be on friday test - (correct answer)Which of the following is true
of a p-chart?
a. The lower control limit is found by subtracting a fraction from the average number of
defects.
b. The lower control limit indicates the minimum acceptable number of defects.
c. The lower control limit may be below zero.
d. The lower control limit may be at zero.
e. The lower control limit is the same as the lot tolerance percent defective. d. The lower
control limit may be at zero.
c. - (correct answer)The normal application of a p-chart is in
a. process sampling by variables
b. acceptance sampling by variables
c. process sampling by attributes
d. acceptance sampling by attributes
e. none of the above
b. - (correct answer)The local newspaper receives several complaints per day about
typographic errors. Over a sevenday
period, the publisher has received calls from readers reporting the following number of
errors:
4, 3, 2, 6, 7, 3, and 9. Based on these data alone, what type of control chart(s) should
the publisher
use?
a. p-chart
b. c-chart
c. x -chart
d. R-chart
, e. x - and R-charts
b. - (correct answer)A manufacturer uses statistical process control to control the quality
of the firm's products. Samples
of 50 of Product A are taken, and a defective/acceptable decision is made on each unit
sampled.
For Product B, the number of flaws per unit is counted. What type(s) of control charts
should be
used?
a. p-charts for A and B
b. p-chart for A, c-chart for B
c. c-charts for both A and B
d. p-chart for A, mean and range charts for B
e. c-chart for A, mean and range charts for B
c. - (correct answer)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?
a. x - and R-charts
b. p-charts
c. c-charts
d. x -, but not R-charts
e. both p- and c-charts
d. - (correct answer)A run test is used
a. to examine variability in acceptance sampling plans
b. in acceptance sampling to establish control
c. to examine points in a control chart to check for natural variability
