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1. The measures of variation that can be used by Paul are interquartile range and mean absolute deviation.

   What are the measures of variation?

   The interquartile range is the difference between the third quartile and the first quartile.

   Third quartile = 3/4(n + 1)

   First quartile = 1/4 x (n + 1)

   The mean absolute deviation is the average of the distance of a data set from its mean.

   Mean absolute deviation =  ∑ l x – m(x) l

   Mean, median and mode are measures of tendency. They are used to measure the number at the center of a dataset.

   Here are the options:

   Mean absolute deviation

   mean

   interquartile range

   median

   mode

   To learn more about interquartile range, please check:  https://brainly.com/question/3966385

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