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<br />J• <br />• <br />i <br />Comparison of Uniaxial Compressive Data for <br />Rock Mechanic Testing <br /> Previous 1988 <br />F-Seam Roof Ave:14,000 9,665 <br /> 5=6,150 7,260 <br /> N=10 7 <br /> COV=.44 .75 <br />F-Seam Floor 9,730 7,940 <br /> 5,700 5,250 <br /> 34 3 <br /> S9 .66 <br />E-Scam Roof 11,900 7,640 <br /> 2,540 5,670 <br /> 27 15 <br /> .63 .74 <br />E-Seam Floor 9,380 3,016 <br /> 4,350 204 <br /> 7 2 <br /> .46 .07 <br />B-Scam Roof 10,390 9,130 <br /> 3,600 5,610 <br /> 8 16 <br /> .35 .61 <br />B-Scam Floor 7,190 6,630 <br /> 4,170 2,400 <br /> 4 8 <br /> .58 .36 <br />Ave: Average, psi <br />S: Standard deviation, psi <br />N: i1'umber ojresu <br />COV: Coefficient ojvariarion <br />