Math Video Blogpost

1) You learned how to collect data about a population by identifying a sample of the population.

For example: Pick the winner of the upcoming presidential election.
Population - American voters
Sample - Adults working to work

2) I learned how to generate a representative sample by identifying types of random samples.

Example: these are most 3 common used random sampling methods.
1) Simple random sample
2)Stratified random sample
3)Systematic random sample

3)I learned how to generate representative sample by identifying types of biased sample.

Example : For biased sampling methods they used convenience sample and voluntary response sample.