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Two vertically stacked dot plots entitled ‘Fastest driving speed by gender’, with the top row male and the bottom row female. The two plots share a horizontal scale of fastest driving speed in kilometres per hour (km/h) from 100 to 200 km/h. Each plot consists of vertical stacks of dots, where one dot represents the fastest driving speed of one student, with dots for multiple students at the same speed stacked in a column one on top of the other. Male data begins at 110 km/h with a single dot, then a peak stack of 4 dots at 120 km/h, and then scattered data points at irregular intervals up to a maximum of 240 km/h. Female data begins off the scale at 90 km/h and is clustered around a peak of 10 dots at 120 km/h, with an outlying maximum point at 170 km/h.

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Last updated September 9, 2010

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