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BBC2年

Statistical skills Determining averages with grouped data - BBC

Determining averages with grouped data The mean We already know how to find the mean from a frequency table. Finding the mean for grouped data is very similar.
BBC5年

Analysing data - AQA Averages from a grouped table - BBC

Learn about and revise how to find the mean, median and mode averages from data with GCSE Bitesize AQA Maths.