A Motorcycle Manufacturer Produces the Parts for Its Vehicles in Different

question 112

Multiple Choice

A motorcycle manufacturer produces the parts for its vehicles in different locations and transports them to its plant for assembly.To keep the assembly operations running efficiently,it is vital that all parts be within specification limits.One important part used in the assembly is the engine camshaft,and one important quality characteristic is the case hardness depth.Specifications state that the hardness depth must be between 3.0 mm and 6.0 mm.To investigate the process,the quality control engineer selected 25 daily subgroups of n = 5 and measured the hardness depth.The process yielded a mean of the means = 4.50 and an average range = 1.01.Calculate the center line for the X-bar chart.

• A)1.01
• B)4.50
• C)3.49
• D)0.90

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Definitions:

Epidermis

Outer portion of the skin formed of epithelial tissue that rests on or covers the dermis.

Germ Layer

One of the three primary layers (ectoderm, mesoderm, endoderm) in early embryonic development from which all tissues and organs develop.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the outer layer of the skin, central and peripheral nervous systems, eyes, inner ear, and many connective tissues.

Self-Defense

The legally recognized privilege to protect oneself or one’s property against injury by another. The privilege of self-defense protects only acts that are reasonably necessary to protect oneself or one’s property.