Random Samples of 4 Items Are Selected from a Manufacturing $\Sigma$

question 117

Multiple Choice

Random samples of 4 items are selected from a manufacturing process at regular intervals and a certain quality characteristic is measured. After 25 samples, $\Sigma$ X = 15,350 and $\Sigma$ R = 411.4
To construct a mean chart, what is the upper control limit (UCL) for the mean?

• A) 614.00
• B) 411.4
• C) 625.996
• D) 3837.5

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Definitions:

Motivation

The inner drive or process that stimulates and directs human behavior towards achieving personal or organizational goals.

Intrinsic Motivation

The drive to perform a task due to inherent satisfaction or enjoyment, rather than external pressures or rewards.

Extrinsic Rewards

Rewards given to an individual that are external to the job itself, such as pay, bonuses, or other tangible benefits.

Self-Actualization Need

The desire for self-fulfillment and realizing one's own potential, as the highest level in Maslow's hierarchy of needs.