Expected Value, Variance and Higher Moments
http://www.maa.org/taxonomy/term/40514/0
enSymmetric or Skewed?
http://www.maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/symmetric-or-skewed
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>Does a measure of the center of a distribution determine if it is symmetric or skewed?</em></p>
</div></div></div>Expectation and Variance of a Random Variable - Video
http://www.maa.org/programs/faculty-and-departments/course-communities/expectation-and-variance-of-a-random-variable-video
Variance and Higher Moments - Comprehensive Introduction
http://www.maa.org/programs/faculty-and-departments/course-communities/variance-and-higher-moments-comprehensive-introduction
Symmetric or Skewed?
http://www.maa.org/programs/faculty-and-departments/course-communities/symmetric-or-skewed