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.Measurements on the length of a copper wire were taken in 2 experiments A and B as under : A's measurements (mm) : 12.29, 12.25, 11.86, 12.13, 12.44, 12.78, 12.77, 11.90, 12.47. B's measurements (mm) : 12.39, 12.46, 12.34, 12.22, 11.98, 12.46, 12.23, 12.06. Test whether B's measurements are more accurate than A's. (The readings taken in both cases being unbiased)

.Measurements on the length of a copper wire were taken in 2 experiments A and B as under : A's measurements (mm) : 12.29, 12.25, 11.86, 12.13, 12.44, 12.78, 12.77, 11.90, 12.47. B's measurements (mm) : 12.39, 12.46, 12.34, 12.22, 11.98, 12.46, 12.23, 12.06. Test whether B's measurements are more accurate than A's. (The readings taken in both cases being unbiased)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Measurements on the length of a copper wire were taken in 2 experiments A and B as under : A's measuremеnts (тm): 12.29, 12.25, 11.86, 12.13, 12.44, 12.78, 12.77, 11.90, 12.47. B's measurements (mm) : 12.39, 12.46, 12.34, 12.22, 11.98, 12.46, 12.23, 12.06. Test whether B's measurements are more accurate than A's. (The readings taken in both cases being unbiased)
Transcribed Image Text:Measurements on the length of a copper wire were taken in 2 experiments A and B as under : A's measuremеnts (тm): 12.29, 12.25, 11.86, 12.13, 12.44, 12.78, 12.77, 11.90, 12.47. B's measurements (mm) : 12.39, 12.46, 12.34, 12.22, 11.98, 12.46, 12.23, 12.06. Test whether B's measurements are more accurate than A's. (The readings taken in both cases being unbiased)
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