Mathematics (AS & A Level) · May / June 2021 · Paper 53 · Question 3
9709
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The question as text
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 = 193 700, 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 = 366 400, where y is the height of a member in cm.
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3(a)[2]
3(b)[3]
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