Question 1

Why are  and R-charts used together?

Accepted Answer

The answer of Why are  and R-charts used together?...

Question 2

Which of the following charts are frequently used together to monitor and control quality?
A)p/xbar
B)R/p
C)c/R
D)R/xbar

Accepted Answer

The answer of Which of the following charts are frequently...

Question 3

Which of the following control charts is used to control the variation within samples?
A)xbar
B)R
C)c
D)p.

Accepted Answer

The R chart is used to monitor the variation within samples by tracking the range of the data points in each sample.

Question 4

What is a c-chart and when is it used?

Accepted Answer

The answer of What is a c-chart and when is...

Question 5

If the quality of a process's output is determined by classifying the output as being defective or not defective,use an)________control chart.
A)xbar
B)R
C)c
D)p

Accepted Answer

The p control chart is used to monitor the proportion of defects in a process's output. It is ideal when the quality of the output is determined by classifying it as either defective or not defective. Therefore, the best choice in this scenario is the p control chart.

Question 6

Which of the following control charts are based on sample sizes as small as one?
A)xbar
B)R
C)c
D)p

Accepted Answer

The c-chart is used for monitoring the number of defects per unit and can be used with a sample size of one, as it deals with count data.

Question 7

Which of the following control charts are often based on sample sizes larger than one hundred?
A)xbar
B)R
C)c
D)p

Accepted Answer

P-charts are used for monitoring the proportion of defective items in a process and often require larger sample sizes to provide reliable estimates of the proportion.

Question 8

Briefly discuss attribute and qualitative variable quality measures.

Accepted Answer

The answer of Briefly discuss attribute and qualitative variable quality...

Question 9

Using control charts,how do we evaluate whether a process is in control?

Accepted Answer

The answer of Using control charts,how do we evaluate whether...

Question 10

What is the process capability ratio and how is it calculated?

Accepted Answer

The answer of What is the process capability ratio and...

Question 11

Which of the following control charts is used to control the variation between samples?
A)xbar
B)R
C)c
D)p

Accepted Answer

xbar control chart is used to control the variation between samples by monitoring the mean of the sample.

Quiz 3: Statistical Quality Control

Why are and R-charts used together?

Which of the following charts are frequently used together to monitor and control quality?

Which of the following control charts is used to control the variation within samples?

What is a c-chart and when is it used?

If the quality of a process's output is determined by classifying the output as being defective or not defective,use an) ________control chart.

Which of the following control charts are based on sample sizes as small as one?

Which of the following control charts are often based on sample sizes larger than one hundred?

Briefly discuss attribute and qualitative variable quality measures.

Using control charts,how do we evaluate whether a process is in control?

What is the process capability ratio and how is it calculated?

Which of the following control charts is used to control the variation between samples?