A researcher wants to determine what percentage of the population in southern Ontario would use a mass transit system if it were well maintained.He gets telephone books from every city with over 50,000 people and selects the fifteenth name in the middle column on every 100th page as his sample.He has made what type of error?
A) nonprobability
B) random
C) reliability
D) frame

Question

Quizplus · Accepted Answer

The researcher has made a frame error because the sampling frame (telephone books) may not accurately represent the entire population of southern Ontario, as not everyone may have a listed phone number, and it may exclude certain demographics.

A Researcher Wants to Determine What Percentage of the Population