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. |
The lower control limit for an x bar control chart is lesser than the mean of means of the samples taken. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Process variability can only be described and monitored by the s control chart. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
For a random variable having a normal distribution, the ratio of its range to the standard deviation is called ____________ |
| A. | Relative range |
| B. | Absolute range |
| C. | Major range |
| D. | Minor range |
| Answer» B. Absolute range | |
| 4. |
Specifications have the same meaning as ____________ |
| A. | Control limits |
| B. | UCL |
| C. | LCL |
| D. | Tolerances |
| Answer» E. | |
| 5. |
The center line for a \(\bar{\bar{x}}\) chart denotes ________ |
| A. | Mean of any sample |
| B. | Mean of means of the sample |
| C. | Mean of any sample + 0.5 |
| D. | (Mean of any sampl |
| E. | / 0.5 |
| Answer» C. Mean of any sample + 0.5 | |
| 6. |
Upper control limit for a x chart is expressed by ________ |
| A. | \(\bar{\bar{x}} + A_2 R \) |
| B. | \(\bar{\bar{x}} – A_2 R\) |
| C. | \(\bar{\bar{x}} + A_2 \bar{R}\) |
| D. | \(\bar{\bar{x}} + A_3 R\) |
| Answer» B. \(\bar{\bar{x}} – A_2 R\) | |
| 7. |
Tolerances are said to be ________ |
| A. | limits of natural variability |
| B. | Statistical limits of variability |
| C. | Limits determined by the customers of the product |
| D. | Limits of inherent process variability |
| Answer» B. Statistical limits of variability | |
| 8. |
If a process is said to be in control, what can we say about the variation? |
| A. | Random |
| B. | Normal |
| C. | Attribute |
| D. | Assignable |
| Answer» B. Normal | |
| 9. |
X chart is a ____________ |
| A. | Attribute control chart |
| B. | Variable control chart |
| C. | Neither a variable control chart nor an attribute control chart |
| D. | Falls in the category of both variable and attribute control charts |
| Answer» C. Neither a variable control chart nor an attribute control chart | |
| 10. |
Toughness of a bolt mount on a tank is __________ |
| A. | An attribute |
| B. | A variable |
| C. | Variable and an attribute |
| D. | Variability |
| Answer» C. Variable and an attribute | |
| 11. |
S chart is used to monitor _________ of a quality characteristic. |
| A. | Mean |
| B. | Range |
| C. | Variability |
| D. | Attributes |
| Answer» D. Attributes | |
| 12. |
Control of the process average or mean quality level is usually done with the ___________ control chart. |
| A. | X bar control chart |
| B. | S control chart |
| C. | R chart |
| D. | P chart |
| Answer» B. S control chart | |
| 13. |
A variable quality characteristic will have both __________ |
| A. | Mean and variability |
| B. | Discrete and continuous values |
| C. | Zero and infinite value |
| D. | One or zero |
| Answer» B. Discrete and continuous values | |
| 14. |
A single measureable quality characteristic, such as dimension, weight, or volume, is called ________ |
| A. | Variable |
| B. | Attribute |
| C. | Variable and an Attribute |
| D. | Mean and variablility |
| Answer» B. Attribute | |
| 15. |
Quantities that can be numerically measured, can be plotted on a _________ control chart. |
| A. | X bar |
| B. | P chart |
| C. | C chart |
| D. | np chart |
| Answer» B. P chart | |