The distinction between cluster sampling and stratified sampling ...

[PhilipSeeMore]

The distinction between cluster sampling and stratified sampling is that in the former a random sample of clusters is taken, while in the latter a complete census of stratum members is drawn.
 
  Indicate whether the statement is true or false

Question 2

A treatment variable represents a variable whose effect can be estimated with minimum variance.
 
  Indicate whether the statement is true or false

[mirabriestensky]

Answer to Question 1

FALSE

Answer to Question 2

TRUE