2.2: Reducing many numbers to few

Supplementary Resource Materials

(gleaning ideas and packing your research tool kit)

• Organizing and Graphing Data

  • Dancing Statistics: explaining the concept of ‘frequency distributions’ through dance (bpsmediacentre)

  Organizing and Graphing Qualitative (non‑numerical) Data

  • Categorical Frequency Distributions (mattemath)
  • Art of Problem Solving: Bar Charts and Pie Charts (Art of Problem Solving)

  Organizing and Graphing Quantitative (numerical) Data

  • Introduction to Grouped Frequency Distributions (Part 1) (mattemath)
  • Introduction to Grouped Frequency Distributions (Part 2) (mattemath)
  • Constructing a Grouped Frequency Distribution (mattemath)
  • How to Construct a Histogram (mattemath)

• Numerical Descriptive Measures

  Measures of Central Tendency for Data (ungrouped)

  • Statistics—Mean, Median and Mode (Math Meeting)
  • Measures of Central Tendency (jbstatistics)

  Measures of Dispersion/Spread for Data (ungrouped)

  • Dancing Statistics: explaining the concept of ‘variance’ through dance (bpsmediacentre)
  • Statistics—Standard Deviation (Math Meeting)
  • Measures of Variability (jbstatistics)
  • The Sample Variance: Why divide by n − 1? (jbstatistics)

  Mean, Variance and Standard Deviation for Data (organized into several groups)

  • Statistics for Grouped Data (lbowen11235)