The marks are out of 100. 2] To create a bell curve in excel, we need three values, average, standard deviation, and normal distribution. Let’s calculate the average of the data first.

To interpret standard deviation as it pertains to volatility, you must understand the assumptions of a normal bell curve. When data is normally distributed, 68% of the values fall within one ...

the gold standard for rates of cervical dilation and fetal descent during active labor, was developed almost 50 years ago. To define a modern curve for normal labor, these researchers evaluated ...