1/23/2013

Discussion of streakiness activity

Chapter 4 - Descriptive Statistics (with data from Exercise 4.31)

• Measuring Center
  • Mean
  • Median
  • Trimmed Mean

• Measuring Spread or Variability
  • Range
  • Interquartile range
  • Variance
  • Standard Deviation
• Measuring Position
  • Percentiles
  • Five-number Summary
  • Boxplot
  • Standardized Scores
• Identifying Outliers
  • 1.5 x IQR Criterion
  • 2 or 3 standard deviations away from the mean

Class exercises from Chapter 4

• 19, 23, 27, 29, 35

Reading Assignment - Please complete Chapter 4 for class on Friday.