The mean Science mark for one group of eight students is 65. The mean mark for a

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The mean Science mark for one group of eight students is 65. The mean mark for a second group of 12 students is 72. Calculate the mean mark for the combined group of 20 students.

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Edexcel As And A Level Modular Mathematics Statistics 1

ISBN: 978-0435519124

1st Edition

Authors: Keith Pledger Et Al

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Question Posted: Jul 29, 2024 06:01 AM

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The mean Science mark for one group of eight students is 65. The mean mark for a

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Edexcel As And A Level Modular Mathematics Statistics 1

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