Question

introduction to statistics review
independent practice
a local retail store posted a survey on its social media page to measure customer satisfaction. it received 500 responses. which sampling method was used?
a. random selection
b. sample
c. census
d. voluntary response
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Explanation:

The store posted a survey on social - media and received responses from customers who chose to participate on their own. In random selection, elements are randomly chosen from a population. A sample is just a subset of a population and not a sampling method here. A census involves collecting data from every member of a population. Voluntary response sampling occurs when individuals can choose on their own whether to participate in a survey. Here, customers voluntarily responded to the social - media survey.

Answer:

D. voluntary response