________ results from the exclusion of certain groups of subjects ...

[Redwolflake15]

________ results from the exclusion of certain groups of subjects from a population frame.
 
  Fill in the blank(s) with correct word

Question 2

To estimate the mean number of hours a student at a major university spent in the library, a researcher obtained the list of students from the registrar's office, from which she can select a random sample of 200 students. This list is a ________.
 
  Fill in the blank(s) with correct word

[tdewitt]

Answer to Question 1

Coverage error

Answer to Question 2

frame

[Redwolflake15]

Thanks for the timely response, appreciate it

[emsimon14]

Excellent