Part I: Multiple choice (10 Points) Given SI R-40 and n-s. Assuming statistical

Question

Part I: Multiple choice (10 Points) Given SI R-40 and n-s. Assuming statistical what proportion of the population will meet control, specifications of 50 3.0? I. (A) 87% (B) 90% (C) 91% a) 93% 2. Which of the following charts is to monitor the average number of defects per when subgroup used unit sizes are variable? (A) Moving range chart (B) C-chart (C) P-chart 3. For attribute data, process capability: (A) Cannot be determined (B) ls defined by upper control limit on the applicable attribute chart (C) Is determined by the center line on the applicable attribute chart (D) Is measured by counting the average nonconforming units or more samples. 4. Calculate the sample standard deviation of the following set ofdata: 52.20.24.31 2 10.68 12.88 (D) 13.98 5. Which of the following is not true regarding control charts? (A) Control charts can be used to monitor a process for the existence of special cause variation (B) The major components of a control chart are the lower control limits, the center line, and the upper control limits Control charts alone can determine the source of problems D) Control charts are similar to run charts in that data is plotted versus time.

Explanation / Answer

The answers are

1. (A) 87%
2. (D) U-chart
3. (D) Is measured by counting the average nonconforming units is 25 or more samples
4. (B) 11.78
5. (C) Control charts alone can determine the source of problems
6. (A) 0.198
7. (B) Poisson
8. (D) 0.30
9 (C) Do
10.(C) Alpha

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