Describe how to select a sample using stratified random sampling, cluster sampling, and systematic sampling with random start.
Distinguish stratified random sampling from cluster sampling, and give an advantage of each method.
Listen to or read about why stratifying samples and proper data collection saves lives.
Want to know more? Check out the book Invisible Women by Caroline Criado Perez from the SBHS library.
Did you know that having improper samples led to a law in California banning black students from being given the IQ test? Listen to the RadioLab podcast below.