X mean 05-Z X mean 05Z X mean 05 Z X-m s Where m Mean s Standard Deviation X Normal Random Variable Bell Curve. Using the formula meanx 1 x 2 x 3 X 4X 12 12 where each x value corresponds to a piece of raw data. A bell curve also known as normal distribution is the most common type of distribution for a variable.
If it were folded along a vertical line at the mean both halves would match perfectly because they are mirror images of each other.
This is the center of the curve where it is at its highest. To find the median you dont have to do any actual math hooray. To summarize generally if the. Here they say that for the bell curve - the mean mode median are identical.