In statistics, a test refers to a procedure used to make an inference about a population parameter based on sample data. Tests help us analyze data and draw conclusions about the population from which the sample was taken.
Related terms
Hypothesis testing: A statistical procedure that involves formulating a hypothesis, collecting sample data, and making conclusions about the population based on that data.
Type I error: The incorrect rejection of a true null hypothesis in hypothesis testing.
Type II error: The failure to reject a false null hypothesis in hypothesis testing.