Lesson 11 · Comparison of Two Data using Whisker Box Plot
Quartile Deviation of Continuous Series
Optional MathematicsSubject
8 minEstimated read
Activity 1
Heights of your class
Method
Measure the height of every student in your class in centimetres and write the heights on the board.
Present the height data in a table.
Find the mean, the median, the first quartile, the third quartile, the quartile deviation and the value of its coefficient.
Discuss whether range, quartile deviation, mean deviation, standard deviation and their coefficients can be used to measure how far a set of data is spread from its centre.
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