Table 511
Factors for Calculating Three-Sigma Limits for The The $\bar{x}$

question 16

Multiple Choice

Table 5.11
Factors for Calculating Three-Sigma Limits for the $\bar{x}$
Chart and R-Chart

Source: 1950 ASTM Manual on Quality Control of Materials, copyright American Society for Testing Materials. Reprinted with permission.
-Construct a 3-sigma R-chart for the length in centimeters of a part from the following table. What is the upper control limit of your R-chart?

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Definitions:

Fossils

Preserved remains, impressions, or traces of once-living organisms from the distant past.

Cyanobacteria

Photosynthetic microorganisms found in water, sometimes referred to as "blue-green algae," important for their role in nitrogen fixation and oxygen production.

Oxygen-rich Atmosphere

An atmosphere that contains high levels of oxygen, typically associated with the development and sustenance of complex life forms on Earth.

Carbon Dioxide-rich Atmosphere

An atmosphere that contains a high concentration of carbon dioxide, affecting climate and living organisms.