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

question 108

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.
-Thermostats are subjected to rigorous testing before they are shipped to air conditioning technicians around the world. Results from the last five samples are shown in the table. Calculate control limits for a chart that will monitor performance to target. The correct control limits as (LCL,UCL) are:

---

Definitions:

Homeowner

An individual who owns and resides in a house or property.

Contractor

An individual or company that enters into a contract to perform services or provide goods for another party in exchange for compensation.

Subcontractors

Specialized professionals or companies hired by the main contractor to perform specific tasks as part of a larger project.

Secured Interest

A legal claim or lien on assets or collateral, given to lenders as security for a loan or obligation.