Using the empirical rule, for example, if 100 test scores are collected and used in a normal probability distribution, 68% of those test scores should fall within one standard deviation above or ...

Graph of the Normal Distribution. In a normal distribution, values are most concentrated around the mean, and the probability decreases smoothly as you move further away in either direction. The ...

The NORMAL option requests the fitted curve. The VAXIS= option specifies the AXIS statement controlling the vertical axis. The AXIS1 statement is used to rotate the vertical axis label Cumulative ...

Key Points A platykurtic distribution resembles a normal distribution, with some differences. Typically, a platykurtic distribution has a shorter center with fewer values distributed along the ends.