Tire Rotation the Manager of a Service Station Is in the in the Process

question 91

Essay

Tire Rotation
The manager of a service station is in the process of analyzing the number of times car owners rotate the tires on their cars.She believes that the average motorist rotates his or her car's tires less frequently than recommended by the owner's manual (two times per year).In a preliminary survey she asked 14 car owners how many times they rotated their cars' tires in the last 12 months.The results are 1,1,2,0,3,3,0,1,0,1,2,3,3,and 1. ​ ​
-{Tire Rotation Narrative} Does this data provide sufficient evidence at the 10% significance level to indicate that the manager is correct?

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Definitions:

SmartArt Shape

A graphical illustration tool within Microsoft Office products that allows users to create professional-looking diagrams and charts.

Move Down Button

A user interface element that allows the user to lower the position of a selected item in a list or structure.

Demote Button

A feature in software that allows users to lower the level or rank of an item within a hierarchical structure or outline.

Reset Graphic

The action of restoring a graphic element or design to its original state or configuration.