A-LevelMathematicsProbability and statisticsMay/June 2021Paper 5 Q35 Marks
A sports club has a volleyball team and a hockey team. The heights of the 6 members of the volleyball team are summarised by Σx = 1050 and Σx² = 193700, where x is the height of a member in cm. The heights of the 11 members of the hockey team are summarised by Σy = 1991 and Σy² = 366400, where y is the height of a member in cm.
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