Mathematics (AS & A Level) · May / June 2017 · Paper 61 · Question 1
9709
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The question as text
Kadijat noted the weights, x grams, of 30 chocolate buns. Her results are summarised by Σx −k = 315, Σx −k 2 = 4022, where k is a constant. The mean weight of the buns is 50.5 grams.
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1(i)[2]
1(ii)[2]
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