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• Table 2.04.10-21 Statistical Comparison of Grassland <br />Reference Areas with Lower Wilson Study Area Grassland Community <br />U <br /> <br />Reference GRASSLAND <br />2005 Area* Community <br />Value <br />Pass /Fail <br /> <br />Total Cover ~ ~ ~.; ~ ~ , ~ ;;, . <br />Estimated Mean (% cover) 59.97 69.93 <br />Sample Variance 520.10 32.21 N <br />Sample Size Collected 30 15 (/) <br /> <br />Pooled Variance 12.04 24.08 Q <br />Calculated t-statistic (t*) 1.6582 a <br />TabularVa/uefortto.as,~,.~:-:~ 2.0167 <br />r.. <br />Production ~~ P <br />~' ~~-; ~ " ~ ~ - <br /> <br />ve .xa , <br />."*~.~. M.S" ~~ V <br />~ ~ ~ ~ ~;~.~: <br />3 3 `vxS <br />Estimated Mean (g/O.SmT) 96.49 98.32 <br />Sample Variance 6165.39 793.18 N <br />Sample Size Collected 40 40 (/~ <br /> <br />Pooled Variance 86.98 86.98 Q <br />Calculated t-statistic (t*) 0.1387. n' <br />Tabular Value for t ~n.aan,.,, z-z~ 1.9908 <br />* Reference area data from each area were pooled to develop the single set of parameters <br />indicated in this table. <br />Revision Date: 1/31/07 <br />Revision No.: PR-02 <br />