Asked by Bre

An experiment was conducted to determine the abrasion resistance of a new type of automobile paint. Twelve different strips of metal were painted with the new paint. The abrasion resistance of each piece was then tested on a machine. In the sample, the abrasion resistance values ranged from 2.1 units to 4.3 units. What is the parameter of interest in this study?
Answered by jhon
stop cheating
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