Chosen at random 480 customers at a department store are contacted and asked the

Question

Chosen at random 480 customers at a department store are contacted and asked their opinion of the service they received.what type of sampling is used. What potential bias are present if any

Select all that apply

A. If there is a regular pattern of customers, it's possible for the sample to not be representative

B if the sample consists only of customers that are easily reached the sample may not rep the population

C the wording of the question asked to the customers may influence them to a particular response the result may not be usable

D there are no potential sources of bias

Explanation / Answer

B if the sample consists only of customers that are easily reached the sample may not rep the population

C the wording of the question asked to the customers may influence them to a particular response the result may not be usable

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