A Home Building Company Routinely Orders Standard Interior Doors with a Height

question 24

Multiple Choice

A home building company routinely orders standard interior doors with a height of 80 inches.Recently the installers have complained that the doors are not the standard height.The quality control inspector for the home building company is concerned that the manufacturer is supplying doors that are not 80 inches in height.In an effort to test this, the inspector is going to gather a sample of the recently received doors and measure the height.The alternative hypothesis for the statistical test to determine if the doors are not 80 inches is __________.

• A)the mean height is > 80 inches
• B)the mean height is < 80 inches
• C)the mean height is = 80 inches
• D)the mean height is ≠ 80 inches
• E)the mean height is ≥ 80 inches

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Definitions:

Accelerates

To increase in speed or rate of occurrence.

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A rare but serious condition that causes swelling in the liver and brain, often associated with the use of aspirin in children.

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Pertains to the parts of the respiratory system located above the diaphragm, including the nose, nasal passages, throat, and larynx.