The Central Line on a P-Chart Is 0

question 138

Multiple Choice

The central line on a p-chart is 0.50 with a UCL of 0.65 and an LCL of 0.35.The results of the next six samples are 0.60,0.37,0.45,0.48,0.45,and 0.42.What should you do?

• A)Nothing;the process is behaving as expected.
• B)Explore the assignable causes because three observations are above the central line.
• C)Explore assignable causes because there is a run.
• D)Increase the sample size to get a better measure.

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Definitions:

Hydrophobic

Lacking an attraction to water, possessed by nonpolar molecules; the opposite of hydrophilic.

Lipid

A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, and others, which are crucial for cell structure and metabolism.

Nonpolar Covalent

A type of chemical bond where two atoms share a pair of electrons with each other equally.

Polar Covalent

A type of chemical bond where electrons are unequally shared between atoms, resulting in a molecule with an unequal distribution of charge.