Math
Lesson 8
Population Samples
Instruction 8-5
CLAIMS
Students', Parents' and Teachers' Links
http://www.stats.gla.ac.uk/steps/glossary/sampling.html (Glossary)
Now let's do Practice Exercise 8-4 (top)
http://web.hku.hk/~plhyu/7006/ (Higher Level Notes)
http://www.llc.rpi.edu/web/ResearchMethodsForCommunicationScience/ch05.pdf (Explanation)