Watch and learn! Carefully selected videos will help bring key concepts and theories to life, preparing you for your studies and exams.

Click on the following links which will open in a new window.

Audio Links

• 12.1: Normal Distribution

• 12.2: Quantitative Data Studies

• 12.3: Analyzing Results, What Gets Measured

Video Links

• Central Tendency
  This video introduces measures of central tendency as used in basic statistical analysis.

• Range and Interquartile Range
  This video illustrates how to calculate the range and the interquartile range (IR) of a block of data, and explains the difference between the two terms.

• Standard Deviation and Variance
  The tutorial provides a step-by-step guide on calculating the standard deviation and variance for statistics class.