SCENARIO 18-4
a Factory Supervisor Is Concerned That the Time

question 110

Multiple Choice

SCENARIO 18-4
A factory supervisor is concerned that the time it takes workers to complete an important production
task (measured in seconds) is too erratic and adversely affects expected profits. The supervisor
proceeds by randomly sampling 5 individuals per hour for a period of 10 hours. The sample mean and
range for each hour are listed below. $$\begin{array} {ccc} \underline {\text { Hour }} & \underline { \bar { X } } & \underline { R } \\1 & 18.4 & 25 \\2 & 16.9 & 27 \\3 & 23.0 & 30 \\4 & 21.2 & 23 \\5 & 21.0 & 24 \\6 & 24.0 & 25 \\7 & 19.3 & 12 \\8 & 15.8 & 14 \\9 & 20.0 & 13 \\10 & 23.0 & 11\end{array}$$ She also decides that lower and upper specification limit for the critical-to-quality variable should be
10 and 30 seconds, respectively.
-Referring to Scenario 18-4, suppose the supervisor constructs an R chart to see if the variability in collection times is in-control. This R chart is characterized by which of the following?

• A) Decreasing trend
• B) Increasing trend
• C) In-control
• D) Individual outliers

Identify and differentiate between primary and secondary sources of law.

Comprehend statutory interpretation principles, such as the plain-meaning rule.

Grasp the function and significance of legal treatises, hornbooks, and other research aids.

Recognize the role and hierarchy of judicial interpretations and court decisions.

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Definitions:

Autofit Content

A feature in software that automatically adjusts the size of text or images to fit within a designated area without distortion.

View Gridlines

A feature in many software applications that displays a grid of lines on the screen to assist in aligning objects or text.

Add Shading

The process of applying a background color or pattern to text, cells, or other elements in a document or spreadsheet to enhance readability or visual appeal.

Split the Table

A function in document editing and database management software that allows a table to be divided into two or more separate tables.