A table of random numbers is used to select 25 students from a large class to rate a new single by Beyoncé. The ratings that these students give are used to estimate the ratings that would be given if the entire class were asked to rate the song. This type of sample is a:
A) convenience sample.
B) census.
C) simple random sample.
D) biased sample.
E) voluntary response sample.

Question

Quizplus · Accepted Answer

The sample is selected using a table of random numbers, which means that each student has an equal chance of being selected. This is the definition of a simple random sample. The other options do not fit the description of this type of sample. A convenience sample would involve selecting students based on their availability or proximity to the researcher. A census would involve surveying every member of the population. A biased sample would be one that has some systematic flaw or limitation that would affect the accuracy of the results. A voluntary response sample involves only those who choose to participate, which may not be representative of the larger population.

A Table of Random Numbers Is Used to Select 25