The mode is a statistical term for the value that occurs most frequently in a set of numbers. Learn about the difference between the mean, median, and mode.

Normal distribution is a continuous probability distribution wherein values lie in a symmetrical fashion mostly situated around the mean.

The bell curve, or normal distribution, occurs throughout statistics. Like snowflakes, there are an infinite number of normal distributions. It is determined by the mean and standard deviation of ...

A negative PSC-2 value (mean lower than the median) indicates a negatively skewed distribution in which there is a concentration of values on the right, above the median value.