A coin collector has over 54 books containing varying number of coins of various denominations. He is very interested in knowing the value of the collection, but does not want to take the time to look up the value of each coin in the collection. He decides to randomly select 4 books and determines the value of each coin in each of the 4 books by looking up the coin in an online pricing book. What kind of sampling does this illustrate?
A)Systematic
B)Stratified
C)Cluster
D)Random sampling

Question

Quizplus · Accepted Answer

This is an example of cluster sampling because the collector randomly selects entire books (clusters) and evaluates all coins within those selected books.

A Coin Collector Has Over 54 Books Containing Varying Number