What does the normal curve look like? A normal curve is a graph with a smooth, symmetrical, bell-shape. The highest point of the bell represents the mean, which is the arithmetic average value of the ...

(THE CONVERSATION) When business researchers analyze data, they often rely on assumptions to help make sense of what they find. But like anyone else, they can run into a whole lot of trouble if those ...

A LARGE part of statistical theory is based on the assumption that measurements are distributed in normal probability curves and that the variance is constant. The normal curve was discovered by de ...

Imagine you're at a fair, and you see a booth with a giant dartboard. The booth owner challenges you to hit the bullseye. You take your shot, and the dart lands somewhere on the board. Now imagine ...