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It really help a lot like helps you to understand the equations, i struggle in math so much I went from a -D to A. It also lets you view very exact/helpful solving steps.
Gerald Ingram
Great app! really the steps in solving problems are clearly explained and it helps you understand more what you are doing, after going through and reading how it does its problems and studying it i have managed to learn at my own pace and still be above grade level. I reccomend this app.
Joseph Floyd
It helps with so much trust me, amazing app, help me so much with my homework, gives me much needed answers when I ask for them. I haven't found anything that helps me learn math better.
Paul Woodruff
Standard deviation (σ) calculator with mean value & variance online. Population and sampled standard deviation calculator. Enter data values delimited with commas (e.g: 3,2,9,4) or spaces
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The standard deviation is equal to the square root of variance. Where, σ = Standard Deviation ∑ = Sum of each Xi = Data points μ = Mean N = Number of data points So, now you are aware of the formula and its components. Let's do
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Standard Deviation Calculator. Here are the step-by-step calculations to work out the Standard Deviation (see below for formulas). Enter your numbers below, the answer is calculated live:
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