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0 votes
Identify the sampling method used.

A trucking company places their office phone number on the back of all their vehicles to receive comments on how well their employees are driving.

2 Answers

3 votes
this is a voluntary sample :)
answered
User Alperen
by
8.0k points
0 votes
I believe the answer is voluntary sample.
answered
User JoshMc
by
8.6k points
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