TABLE 17-4 A Factory Supervisor Is Concerned That the Time It Takes

question 71

Multiple Choice

TABLE 17-4
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.

She also decides that lower and upper specification limit for the critical-to-quality variable should be 10 and 30 seconds, respectively.
-Referring to Table 17-4, 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

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Definitions:

Openness

A personality trait that involves the willingness to consider new ideas, experiences, and information, often associated with creativity and flexibility.

Honesty

A moral quality of being truthful, sincere, and free from deceit or fraud.

Trustworthiness

The quality of being reliable, honest, and dependable in character, which is crucial for building trust in relationships.

Trait Approach

A leadership theory focused on identifying specific qualities that distinguish leaders from non-leaders.