Chapter 12 – Averages and Measures of Spread

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12.1 Different Types of Average( Ex - 12.1 )

12.2 Making Comparisons Using Averages and Ranges ( Ex - 12.2 )

12.3 Calculating Averages and Ranges for Frequency Data( Ex - 12.3 )

12.4 Calculating Averages and Ranges for Grouped Continues Data ( Ex - 12.4 )

12.5 Percentile and Quartiles ( Ex - 12.5 )

12.6 Box and Whisker Plots( Ex - 12.6 )

Revision Exercise 12 A( Examination Practice )