May 2012
Intermediate to advanced
679 pages
16h 56m
English
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21.2 STATISTICS
Statistics is the branch of mathematics, which accepts sample data and helps to deduce conclusions. Let us start with simple statistical formulas for standard deviation and variance.
21.2.1 Standard deviation and variance
- For a given a sample data, variance is a measure of describing a theoretical probability distribution. Variance is the mean of squares of deviation given by
where
stands for average. - The standard deviation is given by
Problem: Write a program to find average, variance, and standard deviation of a ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.