Chapter 4: Analysing the Data
Part II : Descriptive Statistics

CONTENTS

• Introduction
• Frequency Distributions
  • Histograms and bar charts
  • The shape of a distribution
  • Determining if skewness and kurtosis are significantly non-normal
• Central Tendency
  • Measures of central tendency
  • Choose a measure of central tendency
• Variability
  • Sums of squares
  • Variance
  • Standard deviation
• The Normal Distribution
• Transformations
  • Dichotomisation
  • Z-scores
  • The standard normal distribution
  • Normalising
• Correlation and Regression
• Pearson's Coefficient of Correlation (r)
  • Scatterplots
• Linear Regression
  • Least-squares regression line
• Correlation, Slope and Z-scores
• Readings and links

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Maintained by Dr Ian Price
Email: iprice@turing.une.edu.au