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~ ~ ~ t~ ~ ~ t• ~ ~ t~ titer ~ ~ t~ ~ tip ~ ~ ~ <br />a <br />N <br />J <br />w <br />Table A-15a <br />Canadian Strip Mine General Reference Area <br />1998 Production Data <br /> <br />Plot # Per. Grass <br />Wet Wt. Per. Forb <br />Wet Wt. Total <br />Wet Wt. Per. Grass <br />D Wt. Ann. Grass <br />D Wt. Per. Forb <br />D Wt. Ann. Forb <br />D Wt. Total <br />D Wt. Density <br />lbs./Acre <br />1 26.7 1.9 28.6 23.1 N/A 0.9 N/A 24 427 <br />2 17.2 0.9 18.1 14.1 N/A 0.2 N/A 14.3 255 <br />3 13.5 0.7 14.2 12.6 N/A 0.1 N/A 12.7 226 <br />4 22.4 N/A 22.4 19.6 N/A N/A N/A 19.6 349 <br />5 35.3 N/A 35.3 26.9 N/A N/A N/A 26.9 479 <br />6 29.9 2.4 32.3 22.1 N/A 0.8 N/A 22.9 408 <br />7 21.8 1.7 23.5 18.8 N/A 0.7 N/A 19.5 347 <br />8 10.6 5.2 15.8 9.7 N/A 3.1 N/A 12.8 228 <br />9 23.5 3.3 26.8 19.4 N/A 1.4 N/A 20.8 370 <br />10 20.5 1.5 22 16.2 N/A 0.4 N/A 16.6 296 <br />11 35.6 1.5 37.1 29.8 N/A 0.7 N/A 30.5 543 <br />12 15.9 N/A 15.9 14.1 N/A N/A N/A 14.1 251 <br />13 18.9 1.4 20.3 16.1 N/A 0.4 N/A 16.5 294 <br />14 17 1.2 18.2 15 N/A 0.9 N/A 15.9 283 <br />15 22.2 1.1 23.3 18.7 N/A 0.6 N/A 19.3 344 <br />16 30.8 N/A 30.8 21.9 N/A N/A N/A 21.9 390 <br />17 27.4 5.8 33.2 21.6 N/A 2.7 N/A 24.3 433 <br />18 33.5 N/A 33.5 25.2 N/A N/A N/A 25.2 449 <br />Dry Wt. Mean = 19.8777778 /.5m^2 <br />Number of Plots = <br />t-value at (n-1) _ <br />t^2 = <br />18 Sample Mean =- 353.9506866 <br />1.333 Standard Variation = 91.17734489 <br />1.776889 Variance = 8313.30822 <br />Minimum # Needed = 11.79 <br />Thus: Sample size is adequate <br />sit. d+,i. ~, d,. ~ <br />~`•' <br />