parameters for the normal curve. The normal parameters and are estimated by the sample mean ()and the sample standard deviation (). a chi-square goodness-of-fit test. Compared to the usual cutoff ...

The applet shows how changing these two values determines the shape and spread of the distribution curve. ... Calculating probabilities on a normal distribution: Normal Distribution Calculator This ...

A bell curve is a normal distribution. It gets its name from its bell shape, with the top of the curve or the highest point being the most probable event in a series of data.

A bell curve is a graph depicting the normal distribution, which has a shape reminiscent of a bell. The top of the curve shows the mean, mode, and median of the data collected.