A self selected sample or a convenience sample

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In each part, indicate whether the sample should be called a self-selected sample or a convenience sample.

a. A political scientist surveys the 80 people in a class he teaches to evaluate student political views.

b. A soft drink company wants to know which of two of their drinks consumers prefer. They set up a table at a mall and people who are passing by can stop and participate in a taste test if they wish. The sample consists of those who agree to participate.

Reference no: EM131411114

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