Login

Contact Jeff

Email Updates
About
Stats Q&A
Calculators
Tutorials
Products
Home
View All Tutorials
The Standard Deviation :: Introduction to the Standard Deviation
The standard deviation is a way of describing the
variability or spread
in a set of data. It's used all the time in statistics so you should be comfortable with it. So why do you need a measure of variation or dispersion?
View All Tutorials
How well did you understand this lesson?
Avg. Rating 7.32 (178)
Not at all
Neutral
Extremely
0
1
2
3
4
5
6
7
8
9
10
What didn't make sense?
Name
Email
Not Published
Comment
To prevent comment spam, please answer the following question before submitting (tags not permitted) :
What is 4 + 4:
(enter the number)
April 24, 2017  John Hon wrote:
intrestingggggggg
June 16, 2009  sundaram wrote:
I would like to know more about six sigma standard deviation and normal S (deviation)
May 5, 2009  Karen wrote:
I would like to know the practical Calculator (Scientific) method/steps to work out the Standard Deviation of a set of discrete data
April 3, 2009  g wrote:
the link (variability or spread) is set to localhost
April 2, 2009  filip wrote:
yes
February 24, 2009  Anirudra Sharma wrote:
I would like to learn about nutrition measurment using z score
February 24, 2009  Anirudra Sharma wrote:
I would like to learn about nutrition measurment using z score
February 24, 2009  Anirudra Sharma wrote:
I want to learn the probability of statistics
February 24, 2009  Anirudra Sharma wrote:
I want to learn z score and SD
January 24, 2009  Tazul Islam wrote:
How can i calculate standard deviation?
December 18, 2008  Nataliya Sadovska wrote:
Would like to get familiar with probability and statistics