MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the formula for UCL for x bar chart when s 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. \(UCL = \bar{\bar{x}} – A_2 \bar{s}\) | |