Thursday
November 27, 2014

Homework Help: Math

Posted by Charlene on Thursday, April 15, 2010 at 1:01pm.

will someone just double check my answers, please.

Identify which types of sampling is used:random,stratified, systematic,convenience.
1. a sample consists of every 20th student who leaves the bookstore.
answer:systematic
2. a pollster uses a computer to generate 500 random numbers, then interviews the voters corrosponding to those numbers.
Answer:stratified

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