Numerical summaries of data
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Threads
Why this why now
Building on work pupils have undertaken on averages in key stage 2, and linking to the previous unit where we summarised data graphically, pupils now explore representing data numerically. Pupils focus on the concept of measures of central tendency and range. We also begin to look at correlation as a relationship between data.
Prior knowledge requirements
- Calculate mean, median, mode and range
- Organise data in frequency tables
- Interpret results in context
Threads
Why this why now
Building on work pupils have undertaken on averages in key stage 2, and linking to the previous unit where we summarised data graphically, pupils now explore representing data numerically. Pupils focus on the concept of measures of central tendency and range. We also begin to look at correlation as a relationship between data.
Prior knowledge requirements
- Calculate mean, median, mode and range
- Organise data in frequency tables
- Interpret results in context
Numerical summaries of data
In this unit pupils explore the concept of measures of central tendancy, developing understanding of different types of average and their relative benefits and drawbacks. We then investigate other summaries of data such as the range and data comparison techniques.
19 lessons in unit
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