MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
What is the formula for UCL for x bar chart when is known? |
| A. | (UCL = bar{ bar{x}} + A_3 bar{s} ) |
| B. | (UCL = bar{ bar{x}} A_2 bar{s} ) |
| C. | (UCL = bar{ bar{x}} A_3 bar{s} ) |
| D. | (UCL = bar{ bar{x}} + A_2 bar{s} ) |
| Answer» B. (UCL = bar{ bar{x}} A_2 bar{s} ) | |
| 2. |
What is the value of B3 in the terms of c4? |
| A. | (c_4-3 sqrt{(1-c_4^2)} ) |
| B. | (c_4+3 sqrt{(1+c_4^2)} ) |
| C. | (1- frac{3}{c_4} sqrt{(1-c_4^2)} ) |
| D. | (1- frac{c_4}{3 sqrt{(1-c_4^2)}} ) |
| Answer» D. (1- frac{c_4}{3 sqrt{(1-c_4^2)}} ) | |
| 3. |
What is the value of LCL for the s chart when the standard value for is not given? |
| A. | B<sub>5</sub> |
| B. | B<sub>4</sub> |
| C. | B<sub>6</sub> |
| D. | B<sub>3</sub> |
| Answer» E. | |
| 4. |
The center line of the s chart denotes ____ |
| A. | Standard deviation of the process |
| B. | Mean of m number of standard deviations, where m is the number of samples |
| C. | c<sub>4</sub> |
| D. | B<sub>5</sub> |
| Answer» C. c<sub>4</sub> | |
| 5. |
What is the value of B5 in the terms of c4? |
| A. | (c_4-3 sqrt{(1-c_4^2)} ) |
| B. | (c_4+3 sqrt{(1+c_4^2)} ) |
| C. | (c_4+3 sqrt{(1-c_4^2)} ) |
| D. | (c_4-3 sqrt{(1+c_4^2)} ) |
| Answer» B. (c_4+3 sqrt{(1+c_4^2)} ) | |
| 6. |
The center line of the s chart with a standard value for given, denotes the value of _____ |
| A. | B<sub>6</sub> |
| B. | c<sub>4</sub> |
| C. | B<sub>5</sub> |
| D. | c<sub>5</sub> |
| Answer» C. B<sub>5</sub> | |
| 7. |
Which of these formulas gives the exact equation for the UCL of s chart with a std. value for given? |
| A. | B<sub>6</sub> |
| B. | B<sub>5</sub> |
| C. | c<sub>4</sub> |
| D. | c<sub>3</sub> |
| Answer» B. B<sub>5</sub> | |
| 8. |
What is the standard formula of sample variance? |
| A. | ( frac{ sum_{i=1}^n (x_i- bar{x})^{1/2}}{n-1} ) |
| B. | ( frac{ sum_{i=1}^n (x_i- bar{x})^{2}}{n-1} ) |
| C. | ([ frac{ sum_{i=1}^n (x_i- bar{x})^{2}}{n-1}]^{1/2} ) |
| D. | ( frac{ sum_{i=1}^n (x_i- bar{x})^{2}}{n} ) |
| Answer» B. ( frac{ sum_{i=1}^n (x_i- bar{x})^{2}}{n-1} ) | |
| 9. |
What does s denote in x bar and s charts? |
| A. | Sample |
| B. | Sample standard deviation |
| C. | Process standard deviation |
| D. | Statistics |
| Answer» C. Process standard deviation | |