SOLUTION: A STAT 200 instructor is interested in the average weekly study time for herstudents. She teaches two sections in Spring and randomly chooses 15 students from the first section an

Algebra ->  Probability-and-statistics -> SOLUTION: A STAT 200 instructor is interested in the average weekly study time for herstudents. She teaches two sections in Spring and randomly chooses 15 students from the first section an      Log On


   

Question 1027779: A STAT 200 instructor is interested in the average weekly study time for herstudents. She teaches two sections in Spring and randomly chooses 15 students from the first section and 18 students from the second section. This sampling method is called
a. cluster,
b. convenience,
c. stratified
d. systematic.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
c. stratified
(All groups represented in the sampling.)