Statistical Quality Control Mock Test 2

10%

Question 1 of 10

1. Line at the either end of the box plot shows the _____

First quartile

Extreme values

Third quartile

Median

Question 1 of 10

Question 2 of 10

2. The rule of multiplication of probability is possible only _____________

When events are independent

When events are mutually exclusive

When events are Empirical

When events are Bayesian

Question 2 of 10

Question 3 of 10

3. Which of these can be used to estimate capability of the process?

Designed Experiments

Process mean

Control charts

Acceptance Sampling

Question 3 of 10

Question 4 of 10

4. The mean of hyper geometric probability distribution is expressed as _____

μ=nD/N

μ=np

μ=r/p

μ=nN/D

Question 4 of 10

Question 5 of 10

5. The mean of the exponential distribution used in reliability engineering is used as mean time to failure.

True

False

Question 5 of 10

Question 6 of 10

6. If for a process, 18 out of 20 points are plotted above the CL but below the upper control limit, and only 2 of 20 are plotted between the center line and the lower control limit, what can we say about the process state?

Data is not enough to predict

In-control

Process state is not dependent over this data

Out-of-control

Question 6 of 10

Question 7 of 10

7. Which of these is not a discrete probability distribution?

Poisson Distribution

Normal Distribution

Binomial Distribution

Hyper geometric Distribution

Question 7 of 10

Question 8 of 10

8. The center line of a control chart will be having a value ______

Lower than mean of quality characteristic

Equal to mean of quality characteristic

Which is higher than UCL

Higher than mean of quality characteristic

Question 8 of 10

Question 9 of 10

9. A process is said to be in the statistical control if it operates with ______ of variation.

Both chance and assignable causes

Assignable causes

Chance causes

Neither chance nor assignable causes

Question 9 of 10

Question 10 of 10

10. Lognormal distributions are a part of discrete distributions.

True

False

Question 10 of 10