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Posts by JDM Educational Staff
Standard deviation is used often in statistics to help us describe the spread of a data set (dispersion about the mean). If we cannot poll the entire population, we can use a sample to estimate the...
Mean and standard deviation are often calculated and used to describe a data set, possibly to compare it to another data set. However, it helps to know the key differences between these two...
If you want to solve a quadratic equation, factoring is one good option. Not only does factoring tell you the solutions, but it can make things easier if you want to graph the corresponding...
How To Graph A Quadratic (3 Helpful Tips To Draw A Parabola)
If you want to graph a quadratic, you will need a few points on the curve. You will also need to know which way the graph opens so that you can draw it properly. So, how do you graph a...
Completing the square is a method that can help us to solve a quadratic equation. It also has other uses in mathematics, so it is worth knowing how to do it. So, how do you complete the...
Quadratic equations come up often in mathematics and physics, and it is vital to know how to solve them. Luckily, there are several ways to do it. So, how do you solve quadratic...