- population
- random sampling
- independent sample
- identically distributed samples
- the avocado toast trend
- every dataset you work with in ml is a sample not the population
- sample mean
- bigger the sample size, better the estimate
- random samples are better than ordered or biased samples
- sample proportion
- sample proportion is an estimation of population proportion
- sample variance
- small variance
- large variance
- population variance formula vs sample variance formula
- variance estimation
- law of large numbers
- as the sample size increases the avg of the sample will tend to get close to the avg of the entire population
- central limit theorem