The following data present the number of computer units sold per day by a sample of 6 salespersons before and after a bonus plan was implemented. Let d = before - after.
At 95% confidence, test to see if the bonus plan was effective. That is, did the bonus plan actually increase sales?
Definitions:
Geometric Tolerances
The permissible limits of variation in the geometry of a part, detailed in technical drawings to ensure parts are manufactured consistently.
Feature Control Frame
A rectangular box on engineering drawings containing symbols and numbers specifying the geometric characteristics and tolerances of features.
Geometric Characteristic Symbol
A symbol used in geometric dimensioning and tolerancing to represent a specific geometric characteristic that is to be controlled.
Allowable Tolerance
The range of variation permitted in a part's dimension, which ensures it will still function correctly without compromising safety or performance.
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