Suppose That $\overline { \mathrm { X } }$ And R Charts Based on Subgroups of Size 4 Are

question 54

Multiple Choice

Suppose that $\overline { \mathrm { X } }$
And R charts based on subgroups of size 4 are being used to monitor the tire diameter.The $\overline { \mathrm { X } }$
And R charts are found to be in statistical control,with $\overline { \overline { X } } = 50.25 , \bar { R } = .8$

Inches.A histogram of the tire diameter measurements indicates that these measurements are approximately normally distributed.Find the sigma level capability of the process.

• A)1.93
• B)3.22
• C)0.64
• D)0.22

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Definitions:

Complicated Technology

Complicated technology involves systems or devices that are complex in design, functionality, or operation, requiring specialized knowledge or skills to use or maintain.

Expected Value

A mathematical concept representing the average outcome when the same event is repeated multiple times, weighting each outcome by its probability of occurrence.

Tweaks

Tweaks are minor adjustments or modifications made to improve a system, process, or product, often fine-tuning it for better performance or usability.

Stability

A condition where a system, such as an economy or financial market, operates without excessive fluctuations or crises.