Driving test coursework

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…formulas. 34 + 1 = 35 = 17.5th result 2 2 Median = 22.25 Inter-quartile range = Upper quartile = 3n/4 = 3*34/4 = 25.5th = 28.5 = Lower quartile = n+1/4 = 35/4 = 8.75th = 13.5 = Upper quartile - lower quartile = 28.5 - 13.5 Inter-quartile range = 15 Mode is 15-20, 20-25, 25-30 and 30-35 When I compare these 2 sets of results I found out that my hypothesis is correct in saying that males make fewer mistakes than females as their median is lower and so is the inter-quartile range so this indicates that the males make fewer mistakes in general.