You Are Going to Develop an R-Chart Based on Range

question 44

Multiple Choice

You are going to develop an R-chart based on range statistics, and you are using a sample size of 9 for your charting purposes.Which of the following is the lower control limit D3 factor for the chart?

• A)0.08
• B)0.14
• C)0.18
• D)0.22
• E)0.29

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Definitions:

Weld Symbol

A graphical representation on engineering drawings indicating the type of weld to be used.

Plug Weld

A type of weld used to fasten two pieces of metal together by filling a pre-drilled hole in the top piece with weld material which then attaches to the piece underneath.

Slot Weld

A type of weld used to join pieces of metal together through a slot in one piece that fits over another piece, typically used in sheet metal work.

Depth of Filling

The extent to which a cavity or mold is filled with material during a manufacturing or casting process.