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== Activities ==
== Activities ==
=== Avtivity 2: Histogram and Bar Chart ===
=== Activity 2: Histogram and Bar Chart ===
==== Learning Objectives ====
==== Learning Objectives ====
The standard deviation is used in conjunction with
The standard deviation is used in conjunction with
the mean, to summarise [[continuous]]
the mean, to summarise continuous data not categorical data. In
data not categorical data. In addition, the standard deviation, like
addition, the standard deviation, like the mean, is normally only
the [[mean]],
appropriate when the continuous data is not significantly skewed or
is normally only appropriate when the continuous data is not
has outliers.
significantly skewed or has outliers.
= See Also =
= See Also =
Statistics
Statistics on Wikipedia [[http://en.wikipedia.org/wiki/Statistics]]
on Wikipedia [[http://en.wikipedia.org/wiki/Statistics]]
A
A social Science statistical free and open source statistical software
social Science statistical free and open source statistical software
[[http://www.gnu.org/software/pspp/]]
[[http://www.gnu.org/software/pspp/]]
= Books =
= Books =
"How to lie with statistics" by Darrell
"Use and abuse of statistics" by W.
Reichmann, Pelican, ISBN 0 14 020707 4
"Use and abuse of statistics" by W.
"Figuring and society" by Ronald Meek,
Fontana, ISBN 0 00 632560
"Figuring and society" by Ronald Meek,
"How to lie with
statistics" by Darrell Huff, Pelican, ISBN 0 14 021300 7