Two tests are made of the compressive strength of each of 6 samples of poured concrete. The
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Two tests are made of the compressive strength of each of 6 samples of poured concrete. The force required to crumble each of 12 cylindrical specimens, measured in kilograms, is as follows:
Test at the 0.05 level of significance whether these samples differ in compressive strength.
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Mehwish Aziz
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Related Book For 
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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