Question

Identify the type of sampling used​ (random, systematic,​ convenience, stratified, or cluster​ sampling) in the situation described below.A woman is selected by a marketing company to participate in a paid focus group. The company says that the woman was selected because her name is among the first 400 in the phone number listings.

Answer 1

Answer:

Cluster sampling

Explanation:

Cluster sampling is a type of sampling in which a population is divided into groups and one whole group from the division is randomly with every member of the chosen group  involved.

As in thr question, the phone number listings have been divided into groups of 400 and her name came up in the first group of the listing divisions to be considered, hence her selection.

Cheers.