Calculating the Mean
Calculate and interpret the mean as an average of a data set
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“If the family scored 6, 8, 7, 5, and 9 on a board game over five rounds, can your child work out the mean (average) score?”
Full guide and materials
- Activity. Calculate and interpret the mean as an average of a data set
What to notice. Calculate the mean of five test scores: 72, 85, 90, 68, 95 • Explain what the mean represents and how it differs from individual data values • Find a missing data value given the mean and all other values
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If the family scored 6, 8, 7, 5, and 9 on a board game over five rounds, can your child work out the mean (average) score?
Calculate and interpret the mean as an average of a data set
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Check understanding
- Calculate the mean of five test scores: 72, 85, 90, 68, 95
- Explain what the mean represents and how it differs from individual data values
- Find a missing data value given the mean and all other values
“If the family scored 6, 8, 7, 5, and 9 on a board game over five rounds, can your child work out the mean (average) score?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Data & Statistics
- Age range
- Ages 10–11