Module 1 Higher Averages and Range

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1

Starter: mean, median, mode and range of a set of data


Easiteach/mean from a frequency table

Mymaths/grouped data slides 1  - 5

Main objective: mean and range from an ungrouped frequency table
           
 2

Starter: understand that for an odd data set there is a middle number but for an even data set there are 2 middle numbers – this is often more successful than 1/2n(n+1)


Mymaths/Stem and leaf

Main objective: find the median from a large data set (in an ungrouped frequency table)
           
3
Main objective: finding the modal class, an estimate of the mean and the class interval in which the median lies for grouped data

Nelson Thorne domino cards - esimating mean, finding median and modal group
Mymaths/grouped data slides 6,7,& 8