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Table 4.46. Production Standard for each rarge site based upon the lower confidence <br />• limit of each historic mean. <br />Ranqe site A <br />Year x annual ams/m2 <br />1979 41.71 _ <br />1980 73.44 y = x - t n_1, a .05 (Sx) <br />1981 81.05 y = 82.96 - (2.447) (8.04) <br />1982 109.98 y = 62.39 gms/m2 <br />1983 89.60 <br />1984 95.23 Standard <br />1985 83.40 <br />_ <br />Z For each of the last two consecutive years of the period of responsi- <br />2 <br />x = 82.06 Sx = S <br />/n bility, herbaceous production must be 262.39 gms/m <br />(95°h confident <br />s 2 = 452.512 that the true mean of the premine area is greater than or equal to <br />n = 7 62.39 gms/m~. <br />sx = 6.04 <br />Ranqe site B <br />Year x annual gms/m2 <br />1979 21.29 <br />1980 50.97 y = x - t n_1 a .OS (Sx) <br />1981 55.53 y = 62.24 - (2.497) (8.07) <br />• 1982 77.00 y = 42.49 gms/mz <br />1983 75.50 <br />1984 80.13 Standard <br />1985 75.28 <br />_ For each of the last two consecutive years of the period of responsi- <br />x = 62.24 bility, herbaceous production must be 242.49 gms/mz (95% confident <br />sz = 455.863 that the true mean of the premine area is greater than or equal to <br />n = 7 42.49 gms/m~. <br />sX = 8.07 <br />Ranqe site C <br />Year x annual ams/m2 <br />1979 35.79 <br />1980 64.80 y = x - t n_1 a .OS (Sx) <br />1981 56.52 y = 84.04 - (2.447) (14.95) <br />1982 64.08 y = 47.46 gms/m2 <br />1983 136.24 <br />1984 135.84 Standard <br />1985 95.02 <br />_ For each of the last two consecutive years of the period of responsi- <br />x = 84.04 bility, herbaceous production must be 247.46 gms/mZ (95% confident <br />s2 = 1563.836 that the true mean of the premine area is greater than or equal to <br />n = 7 47.46 gmslm~. <br />sX = 14.95 <br />• IHBHlb 5/87 Retyped 5/951 <br />4-111 <br />Revision: Tn-~ I <br />Approved: Z/~'8' 9II <br />