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TABLE 18-3
a Quality Control Analyst for a Light

question 6

Multiple Choice

TABLE 18-3
A quality control analyst for a light bulb manufacturer is concerned that the time it takes to produce a batch of light bulbs is too erratic. Accordingly, the analyst randomly surveys 10 production periods each day for 14 days and records the sample mean and range for each day.
 Day Xˉ (in minutes)  158.55.1247.67.8364.36.1460.65.7563.76.2657.56.0755.05.4854.96.1955.05.91062.75.01161.97.11260.06.51358.35.91452.05.2\begin{array}{ccc}\text { Day } &\bar{X} &\text { (in minutes) }\\\hline1 & 58.5 & 5.1 \\2 & 47.6 & 7.8 \\3 & 64.3 & 6.1 \\4 & 60.6 & 5.7 \\5 & 63.7 & 6.2 \\6 & 57.5 & 6.0 \\7 & 55.0 & 5.4 \\8 & 54.9 & 6.1 \\9 & 55.0 & 5.9 \\10 & 62.7 & 5.0 \\11 & 61.9 & 7.1 \\12 & 60.0 & 6.5 \\13 & 58.3 & 5.9 \\14 & 52.0 & 5.2\end{array}
-Referring to Table 18-3, suppose the analyst constructs an X chart to see if the production process is in-control. Which expression best describes this chart?


Definitions:

Order Paper

A negotiable instrument that is payable to a specific person or their order, allowing the transfer of ownership through endorsement.

Special Indorsement

An endorsement on a negotiable instrument that specifies the person to whom, or to whose order, the instrument can be paid.

Blank Indorsement

A type of endorsement on a negotiable instrument where the endorser does not specify an endorsee, making it payable to the bearer.

Restrictive Indorsement

A limit placed on the use of a check or other negotiable instrument which specifies the conditions under which it can be transferred or paid out.

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