Mathematics (AS & A Level) · May / June 2023 · Paper 63 · Question 5
9709
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The question as text
Last year the mean time for pizza deliveries from Pete’s Pizza Pit was 32.4 minutes. This year the time, t minutes, for pizza deliveries from Pete’s Pizza Pit was recorded for a random sample of 50 deliveries. The results were as follows. n = 50 Σt = 1700 Σt2 = 59 050
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5(a)[3]
5(b)[5]
5(c)[1]
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