Data, Chance, and Statistics · Data and Chance

Averages and Spread

Calculating the mean as an average and understanding how it represents a data set.

Key Questions

  1. 1How can one extreme value (an outlier) change the mean of a whole data set?
  2. 2Why is the mean sometimes called the evening out of numbers?
  3. 3In what situations would the mean be a poor representation of the typical value?

NCCA Curriculum Specifications

NCCA: Primary - Data
Class/Year: 6th Year
Subject: Mastering Mathematical Reasoning: Year 6
Unit: Data, Chance, and Statistics
Period: Data and Chance

Suggested Methodologies

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