May port Wharf D 



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Thickness (Ins) 

 □ Observed f Estimated 



ANALYSIS FOR MAYD 

 CATEGORY=WEB AT ELEV ATI0N=T0P 



STANDARD DEVIATION: 0.035 MEAN THICKNESS: 0.313 



NUMBER AT ZERO: 3 NUMBER OVER NOMINAL..: 6 



COEFFICIENT OF VARIATION OF THICKNESS : 0.11 



NUMBER OF ELEMENTS WITH THICKNESS VALUES = 53 



PRECISION HALFWIDTH SPECIFIED (INCHES) : 0.025 



SAMPLE SIZE FOR 9 8J CONFIDENCE INTERVAL : 12 



SAMPLE SIZE FOR 95* CONFIDENCE INTERVAL : 8 



SAMPLE SIZE FOR 90J CONFIDENCE INTERVAL 6 



INTERVAL PERCENT PERCENT % LOSS CUMULATIVE 



(INCHES) NUMBER OBSERVED EXPECTED INTERVAL PERCENT 



.225 1 1.9 1.0 40.0 1.0 



0.2 50 4 7.5 1.2 33.3 5.2 



0.275 12 22.6 12.4 26.7 17.6 



0.300 8 15.1 23.1 20.0 40.7 



0.325 16 30.2 27.0 13-3 67.7 



0.3 50 9 17.0 19-9 6.7 87.6 



0.375 3 5.7 9.2 0.0 96.8 



D-23 



