1 Which of the following control charts can be used for cont

1. Which of the following control chart(s) can be used for continuous data?

Select one:

A. p chart

B. np chart

C. R chart

E. both a and b

F. both c and d

G. none of the above answers is correct

2.

Which of the following control chart(s) can be used for discrete data?

Select one:

A. p chart

B. np chart

C. R chart

E. both a and b

F. both c and d

G. none of the above answers is correct

3.

Which of the following charts is used to control variability of a process?

Select one:

A. p chart

B. np chart

C. R chart

4.

Select one:

A. 127.99

B. 128.49

C. 128.99

D. 129.49

E. 129.99

F. None of the above answers is correct

5.

Reference length of a rod problem statement, what is LCL value?

Select one:

A. 126.51

B. 127.01

C. 127.51

D. 128.01

E. 128.51

F. None of the above answers is correct

6.

Reference length of a rod problem statement, is the process in control for a sample providing the following data: 128.8, 128.2, 129.1, 128.7, 128.4, and 129.2?

Select one:

A. yes

B. no

C. there is not enough information to determine whether the process was in control

D. None of the above answers is correct

Solution

1. both p chart and np chart

2. np chart

3. R chart.

4. c=128.99

5. D=128.01

6. A=yes