Parameters and statistics use numbers to summarize the properties of a population or sample. There is a range of possible attributes that you can evaluate, which gives rise t… See more

In the examples below, notice how the same subject and summary value can be either a … See more

If you’re listening to the news, reading a report, or taking a statistics test, how do you tell whether a summary value is a parameter or a statistic? Real-world studies almost alw… See more

Researchers are usually more interested in understanding population parameters. After all, understanding the properties of a relatively small sample isn’t valuable by itself. For e… See more