Author Question: A watchdog group is investigating how people are treated during the foreclosure process. Surveys ... (Read 59 times)

viki · **on:** Jun 24, 2018

A watchdog group is investigating how people are treated during the foreclosure process. Surveys were mailed to a random sample of 300 people who had recently been threatened with foreclosure. 75 of the surveys were returned by the postal service because the intended recipients had moved and left no forwarding address. What type of problem has occurred?

A) selection bias B) nonresponse bias C) measurement error

Question 2

Fill in the blank. The __________ is the collection of all the sample points in an experiment.

A) event B) union C) Venn diagram D) sample space