In research, a populationis the entire group that you’re interested in studying. This may be a group of people (e.g., all adults in the US or all employees of a company), but it can also m… See more

Statistics and parameters are numbers that summarize any measurable characteristic of a sample or a population. For categorical variables(e.g., political affiliation), the most common st… See more

In news and research reports, it’s not always clear whether a number is a parameter or statistic. To figure out which type of number you’re dealing with, ask yourself th… See more

Using inferential statistics, you can estimate population parameters from sample statistics. To make unbiasedestimates, your sample should ideally be representative of your popul… See more

If you want to know more about statistics, methodology, or research bias, make sure to check out some of our other articles with explanations and examples. See more