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Suppose that the length of the steel bar is measured by a number of different observers and following set of 11 measurements is recorded as set A (units mm): 398, 420, 394, 416, 404, 408, 400, 420, 396, 413, 330. Next the measurements are taken using different ruler to produce measurement set B: 409, 406, 402, 407, 405, 404, 407, 404, 407, 407, 408. It can be shown that the mean values set A and B are 409 and 406 respectively. Which of the two measurement sets A and B, and the corresponding mean value, should have most confidence in? why? Text

Suppose that the length of the steel bar is measured by a number of different observers and following set of 11 measurements is recorded as set A (units mm): 398, 420, 394, 416, 404, 408, 400, 420, 396, 413, 330. Next the measurements are taken using different ruler to produce measurement set B: 409, 406, 402, 407, 405, 404, 407, 404, 407, 407, 408. It can be shown that the mean values set A and B are 409 and 406 respectively. Which of the two measurement sets A and B, and the corresponding mean value, should have most confidence in? why? Text

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Suppose that the length of the steel bar is measured by a number of different observers and following set of 11 measurements is recorded as set A (units mm): 398, 420, 394, 416, 404, 408, 400, 420, 396, 413, 330. Next the measurements are taken using different ruler to produce measurement set B: 409, 406, 402, 407, 405, 404, 407, 404, 407, 407, 408. It can be shown that the mean values set A and B are 409 and 406 respectively. Which of the two measurement sets A and B, and the corresponding mean value, should have most confidence in? why? Text
Transcribed Image Text:Suppose that the length of the steel bar is measured by a number of different observers and following set of 11 measurements is recorded as set A (units mm): 398, 420, 394, 416, 404, 408, 400, 420, 396, 413, 330. Next the measurements are taken using different ruler to produce measurement set B: 409, 406, 402, 407, 405, 404, 407, 404, 407, 407, 408. It can be shown that the mean values set A and B are 409 and 406 respectively. Which of the two measurement sets A and B, and the corresponding mean value, should have most confidence in? why? Text
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