MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Tabular Cusums can be constructed for both, individual measurements, and the averages of the rational subgroups. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Only the value of lower cusum can be negative. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The V-mask procedure was proposed by ___________ |
| A. | Crowder |
| B. | Roberts |
| C. | Brinson |
| D. | Barnard |
| Answer» E. | |
| 4. |
If the value of C i-1+S2+k is lesser than (-1), what will be the value of Ci equal to? |
| A. | Lesser than -1 |
| B. | Higher than 1 |
| C. | Lower than 0 |
| D. | 0 |
| Answer» E. | |
| 5. |
A cusum for a normal variance has the value of lower cusum equal to ___________ |
| A. | (C_i^+=min u2061(0,C_{i-1}^- + S^2 + k) ) |
| B. | (C_i^-=max u2061(0,C_{i-1}^- + S^2 + k) ) |
| C. | (C_i^+=max u2061(0,C_{i-1}^- + S^2 + k) ) |
| D. | (C_i^-=min u2061(0,C_{i-1}^- + S^2 + k) ) |
| Answer» E. | |
| 6. |
A cusum for normal variance is having the value of upper cusum equal to __________ |
| A. | (C_i^+=max u2061(0,C_{i-1}^+ + S^2 k) ) |
| B. | (C_i^+=max u2061(0,C_{i-1}^+ + S^2 + k) ) |
| C. | (C_i^+=max u2061(0,C_{i-1}^+ ^2 + k) ) |
| D. | (C_i^+=max u2061(0,C_{i-1}^+ + ^2 + k) ) |
| Answer» C. (C_i^+=max u2061(0,C_{i-1}^+ ^2 + k) ) | |
| 7. |
If the deployment of the cusum is extended to the case of averages of the rational subgroups where sample size n>1, what will be done? |
| A. | The value of x<sub>i</sub> be replaced by <sub>i</sub> |
| B. | The value of <sub>i</sub> be replaced by x<sub>i</sub> |
| C. | The value of C<sub>i</sub><sup>+</sup> be replaced by value of C<sub>i</sub><sup> </sup> |
| D. | The value of C<sub>i</sub><sup> </sup> be replaced by the value of C<sub>i</sub><sup>+</sup> |
| Answer» B. The value of <sub>i</sub> be replaced by x<sub>i</sub> | |
| 8. |
Who was the first person to recommend plotting the cusum charts for mean and standard deviation on same graph? |
| A. | Hawkins |
| B. | Roberts |
| C. | Atkinson |
| D. | Crowder |
| Answer» B. Roberts | |
| 9. |
Which of these is an indication of out-of-control process with low standard deviation? |
| A. | Increase in the value of S<sub>i</sub><sup>+</sup> |
| B. | Decrease in the value of S<sub>i</sub><sup>+</sup> with increase in the value of S<sub>i</sub><sup> </sup> |
| C. | Increase in the value of S<sub>i</sub><sup> </sup> |
| D. | Decrease in the value of S<sub>i</sub><sup> </sup> with decrease in the value of S<sub>i</sub><sup> </sup> |
| Answer» D. Decrease in the value of S<sub>i</sub><sup> </sup> with decrease in the value of S<sub>i</sub><sup> </sup> | |
| 10. |
If the process standard deviation increases, how will the cusum chart for monitoring process variability indicate the out-of-control state? |
| A. | The value of S<sub>i</sub><sup>+</sup> will increase |
| B. | The value of S<sub>i</sub><sup>+</sup> will decrease |
| C. | The value of S<sub>i</sub><sup> </sup> will decrease with decrease in the value of S<sub>i</sub><sup>+</sup> |
| D. | The value of S<sub>i</sub><sup> </sup> will increase |
| Answer» B. The value of S<sub>i</sub><sup>+</sup> will decrease | |
| 11. |
Which of these is not an assumption made for the construction of the tabular Cusum charts? |
| A. | The selected variable varies on a normal distribution |
| B. | The mean of the normal distribution is available |
| C. | The estimate or the exact value of the standard deviation of the variable |
| D. | The assumptions are very inconsistent with phase II application of SPC |
| Answer» E. | |
| 12. |
Which of these is not one of the assumptions made for the construction of Tabular Cusum charts for the individual measurements? |
| A. | The selected variable varies according to a lognormal distribution |
| B. | The selected variable varies according to a normal distribution |
| C. | The selected variable varies according to a binomial distribution |
| D. | The selected variable varies according to an exponential distribution |
| Answer» C. The selected variable varies according to a binomial distribution | |
| 13. |
The tabular Cusums are made to monitor the ____________ of the process. |
| A. | Variance |
| B. | Mean |
| C. | Standard deviation |
| D. | Capability |
| Answer» C. Standard deviation | |
| 14. |
Which of these is a name of any way to represent the Cusum charts? |
| A. | Logarithmic |
| B. | Algorithmic |
| C. | Exponential |
| D. | Normal |
| Answer» C. Exponential | |
| 15. |
How many ways are there to represent the Cusum on the Cusum charts? |
| A. | 3 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» D. 5 | |