• Big ideas
  • Variation
    • Experiencing variation
  • Expectation
    • Expected differences
  • Distribution
    • Empirical and theoretical
  • Randomness
    • Coin toss
  • Informal inference
• Misunderstandings
  • Misunderstanding samples and sampling
    • Bias in survey questions
    • Good survey questions
    • Writing survey questions
    • Bias from sample size
    • How big a sample?
    • Increasing sample size
    • Bias in sampling methods
    • Selecting sampling methods
    • Sampling methods activity
  • Misleading graphs
    • Misleading scales
    • Teaching scales in graphs
    • Misuse of area
    • Teaching area for graphs
    • Area in graphs
    • Scale activity
  • Misunderstandings of averages
    • Problems with categorical data
    • Medians and categorical data
    • Mean, median and mode
    • Outliers
    • Identifying outliers
    • Plots and outliers
  • Difficulties with informal inference
    • Is there a difference?
    • Meaningful differences
    • Differences in heights
    • Is there an association?
    • Strength of associations
    • Judging associations
    • Examples of box plots
    • Features of box plots
    • Interpreting box plots
  • Belief in the media
    • Media claims
    • Using media in the classroom
    • Media claims activity
    • Questioning the media
    • Teaching critical questioning
• Good teaching
  • Data collection
    • Types of data
    • Sample size and variation
    • Bias in data
    • Samples and populations
  • Data representation
    • Linking graphs to data types
    • Creating pie graphs
  • Data reduction
    • Central tendency
    • Box plots
    • Influence of outliers
    • Mean, median and mode
  • Making informal inferences
    • Single measurement variables
    • Comparing two populations
  • Using different media
    • Digital media
    • Current electronic resources
    • Statistics in the news media
    • Student data
  • Statistical investigations
    • Modelling statistical investigations
    • Semi-structured statistical investigations
    • Undertaking statistical investigations
• Assessment
  • Assessment tasks
    • School survey
    • Prediction from a pictograph
    • Critical thinking about average
    • Graph reading and scale
    • Comparing two groups
    • Assessing the media
  • Statistical investigations
    • Assessing statistical investigations
  • Assessment rubrics
• Activities
  • Are males better drivers?
  • Area in graphs
  • Awareness of outliers
  • Balancing act 1
  • Balancing act 2
  • Biased data
  • Categorical and numerical data
  • Conflicting reports
  • Contrasting the median and mean
  • Dice duels
  • Differences in heights
  • Graph investigator
  • Home internet survey
  • How long is a piece of string?
  • How much is lots?
  • Increasing sample size
  • Interpreting box plots
  • Investigating us
  • Judging associations
  • Mean, median and mode
  • Media claims activity
  • Melbourne Cup data
  • Mystery bag
  • Paperclips
  • Plots and outliers
  • Predicting AFL winners
  • Questioning the media
  • Random or not
  • Reaction time
  • Sampling from a mystery population
  • Sampling methods activity
  • Scale activity
  • Signature length 1
  • Signature length 2
  • Sleuthing pie graphs
  • Variation in sample size for coin tosses
  • What is typical?
  • Writing survey questions
• Downloads
• Acknowledgements