Gaussian curves, normal curves and bell curves are synonymous. Each represents how statistical data with normal distribution plots ... Excel Analysis ToolPak add-in or your own statistical data to ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once.

Listing the month, number of units and revenue in columns A, B and C, respectively, sets the stage to creating a two-sided graph. Two-sided graphs start with a normal, one-sided graph. By ...