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S <br />Table 4.4~i. Calculation of historic tYrbaceous cover on prenine range sites A, B, and C a,d <br />~ correspo~icg confidence interval. <br />Rate <br />Site Year <br />x annual <br />5 ewer x <br />A 1979 23.0 <br />1980 34.7 <br />1981 69.8 <br />1982 75.2 <br />1983 54.9 <br />1984 74.5 <br />1985 59.9 <br />B 1979 22.0 <br />1980 40.6 <br />1981 53.2 <br />1982 51.2 <br />1983 54.3 <br />1984 65.1 <br />1985 51.1 <br />' <br />C 1979 23.6 <br />1980 26.2 <br />1981 59.8 <br />L982 68.4 <br />1983 61.3 <br />1984 49.4 <br />1985 52.7 <br />(1) Table 1. <br />BBN/jb 5/B7 <br />Q <br />.56 .44 <br />.482 .518 <br />.488 .512 <br />Calculated confidence interval <br /> <br />y = .9(.56) ± (1.895)(.1876) <br />y = 14.855 corer <br />Based upon the LS1E, 14.855 corer is insufficient tv <br />control excessive soil erosion. (1) <br />y = .9(.482) ± (1.895)(.1887) <br />y = 7.625 corer <br />Based upon the LSIE, 7.625 corer is insufficient to <br />control excessive soil erosion. (1) <br />"y = .9(.512) ± (1.895)(.1889) <br />^y = 10.28X corer <br />Based upon the LSIE, 10.287. corer is insufficient [o <br />control excessive soil erosion. (1) <br />4-l02h <br />REVISED ~~~~ ~ ~ ,Q~ <br />