Question

Select the scenario below that demonstrates sampling error. Select the correct answer below:

a. An HOA association of a high-rise apartments building wants to examine the usefulness of its elevator. It asks each of the residents to evaluate their experience with the elevator.
b. A study is conducted to determine the favorite TV show of individuals who own a specific streaming service.
c. Twenty customers of the streaming service were randomly selected and used as the sample.
d. The fans of a soccer club were used as the sample in a survey study to determine the best performing soccer team in a tournament.
e. An online retailer reaches out only to its customers who have left positive reviews for its product and asks them to complete a survey of their experience with the retailer's products

Answer 1

e. An online retailer reaches out only to its customers who have left positive reviews for its product and asks them to complete a survey of their experience with the retailer's products

Explanation:

A sampling error happens when a sample has some kind of a bias.

One example is for example, sampling only members of one political party about a new bill.

In this question:

The correct answer is given by option e, because the retailer will have the opinions only from those with positive reviews, basically disconsidering those with negative reviews, and not giving them a clear idea of their service.