A survey was mailed to a total of 400 students; 100 were - 12176

Solution Posted by
mareya

mareya

Rating : No Rating
Solution Detail
Price: $1.00
  • From: ,
  • Posted on: Wed 04 Jul, 2012
  • Request id: None
  • Purchased: 0 time(s)
  • Average Rating: No rating
Request Description

A survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and senior classes last semester. What sampling method was used?

A.    Simple random sample

B.    Cluster sample

C.    Systematic sample

D.    Stratified sample 

 
Solution Description

A survey was mailed to a total of 400 students; 100 were randomly selected fro