Statistical Quality Control Mock Test 7

10%

Question 1 of 10

1. Measurement system capability ____________ when the good unit is judged to be defective.

Can’t be evaluated

Increases

Decreases

Does not change

Question 1 of 10

Question 2 of 10

2. The V-mask procedure was proposed by ___________

Brinson

Roberts

Crowder

Barnard

Question 2 of 10

Question 3 of 10

3. Which of these tells about the inherent variability of the gauge?

DR ratio

SNR

Precision

Accuracy

Question 3 of 10

Question 4 of 10

4. A DR of value 5.89 indicates an adequate measurement system.

True

False

Question 4 of 10

Question 5 of 10

5. Which of these is not one of the assumptions made for the construction of Tabular Cusum charts for the individual measurements?

The selected variable varies according to a binomial distribution

The selected variable varies according to a lognormal distribution

The selected variable varies according to an exponential distribution

The selected variable varies according to a normal distribution

Question 5 of 10

Question 6 of 10

6. If the mean changes to a higher value, what will be the effect on the cumulative sum?

Decrease

Increase

Can’t be predicted.

Can decrease or increase

Question 6 of 10

Question 7 of 10

7. Which of these is an indication of out-of-control process with low standard deviation?

Increase in the value of S_i⁺

Increase in the value of S_i^-

Decrease in the value of S_i^- with decrease in the value of S_i^-

Decrease in the value of S_i⁺ with increase in the value of S_i^-

Question 7 of 10

Question 8 of 10

8. A change of process mean changes the value of C_i>C_i-1, so we can say that the process mean has shifted upwards.

True

False

Question 8 of 10

Question 9 of 10

9. Bias of a measurement instrument is defined as ___________

The difference between the observed value and the lowest possible value

The difference between the observed value and the true value

The difference between the observed value and the estimated value

The difference between the observed value and the highest possible value

Question 9 of 10

Question 10 of 10

10. The standard model for a gauge R & R study is also called ____________

Attribute effects model analysis of variance

Continuous effects model analysis of variance

Random effects model analysis of variance

Discrete effects model analysis of variance

Question 10 of 10