the number of lefthanded students in each of 50 classes sele

the number of left-handed students in each of 50 classes selected from a given unversity. is this sample or population?

the price of a gallon of regular unleaded gasoline on a give day at each of 28 gas station in the Miami, Florida, metropolitan area. is this sample or population?

Solution

the number of left-handed students in each of 50 classes selected from a given unversity.

This is the total population of left handed students

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the price of a gallon of regular unleaded gasoline on a give day at each of 28 gas station in the Miami, Florida, metropolitan area

This is a sample as the price is of a given day