Readings from a device, denoted by y, are such that (y 3) 2 2775, y 105 and the standard deviation of y is 13 Find the number of readings that were taken ...

15 readings were taken Explanation The standard deviation ...

Readings from a device, denoted by y, are such that (y 3) 2 = 2775, y

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Readings from a device, denoted by y, are such that Σ(y − 3)² = 2775, Σy = 105 and the standard deviation of y is 13. Find the number of readings that were taken.

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 13, 2021 01:55 AM

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Readings from a device, denoted by y, are such that (y 3) 2 = 2775, y

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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