Data Handling and Probability · Statistics and Probability

Averages and Spread

Comparing datasets using measures of central tendency and the range.

Key Questions

  1. 1Why is the mean often misleading when a dataset contains extreme outliers?
  2. 2How does the range help us understand the consistency of a data source?
  3. 3Under what circumstances is the mode the most useful average to report?

National Curriculum Attainment Targets

KS3: Mathematics - Statistics
Year: Year 8
Subject: Mathematics
Unit: Data Handling and Probability
Period: Statistics and Probability

Suggested Methodologies

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