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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15 readings were taken Explanation The standard deviation ...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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