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| 1 | |
An chart is a control chart on which individual process measurements are plotted versus time. |
| | A) | True |
| | B) | False |
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| 2 | |
A p chart is a control chart on which the proportions of nonconforming units are plotted versus time. |
| | A) | True |
| | B) | False |
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| 3 | |
When using and R charts to analyze and improve a process, first, the chart is analyzed and the necessary action(s) to correct assignable causes of variation is (are) taken before the R chart is analyzed. |
| | A) | True |
| | B) | False |
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| 4 | |
A process is capable of meeting specifications when the natural tolerance limits are wider than the specification limits. |
| | A) | True |
| | B) | False |
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| 5 | |
How well a process is able to meet the requirements set forth by the process design is called the quality of design. |
| | A) | True |
| | B) | False |
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| 6 | |
When employing measurement data to study a process, the ________ monitors the process variation. |
| | A) | chart |
| | B) | R chart |
| | C) | center line |
| | D) | p chart |
| | E) | pattern analysis |
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| 7 | |
The sigma level capability of a process is three standard deviations between the process mean and the upper specification limit. |
| | A) | True |
| | B) | False |
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| 8 | |
Rational subgrouping allows us to detect changes _______ subgroups. |
| | A) | within |
| | B) | between |
| | C) | in the sizes of |
| | D) | None of the above |
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| 9 | |
As the standard deviation of a process _________, the sigma level capability of the process ________. |
| | A) | decreases, decreases |
| | B) | increases, increases |
| | C) | decreases, increases |
| | D) | None of the above |
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| 10 | |
The cause-and-effect diagram used to uncover potential causes of process variation is also called a(n) |
| | A) | Pareto chart. |
| | B) | defect concentration diagram. |
| | C) | fishbone chart. |
| | D) | chart. |
| | E) | R chart. |
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| 11 | |
When a process is in control, estimates  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078020530/1036567/ch15_11.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (11.0K)</a>]]> /d2 and s of the process standard deviation will be very similar. |
| | A) | True |
| | B) | False |
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| 12 | |
The center line of a fraction nonconforming chart is |
| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078020530/1036567/ch15_12a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (11.0K)</a>]]> |
| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078020530/1036567/ch15_12b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (11.0K)</a>]]> |
| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078020530/1036567/ch15_12c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (11.0K)</a>]]> |
| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078020530/1036567/ch15_12d.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (13.0K)</a>]]> |
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| 13 | |
When studying a process using measurement data, use _____ to monitor the process variation. |
| | A) | an chart |
| | B) | an R chart |
| | C) | a p chart |
| | D) | natural tolerance |
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| 14 | |
Assignable causes are also called common causes of process variation. |
| | A) | True |
| | B) | False |
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| 15 | |
_________________ are (is) the number of estimated process standard deviations between the process mean and the specification limit closest to the process mean. |
| | A) | Natural tolerance limits |
| | B) | Zone boundaries |
| | C) | Sigma level capability |
| | D) | Leeway |
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