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4 <br />Fruita Cover Data 5/17/2005 <br />Transect Number % Cover <br />1 54 <br />2 38 <br />3 , 76 <br />4 44 <br />5 32 <br />6 42 <br />7 68 <br />8 48 <br />9 80 <br />10 20 <br />11 50 <br />12 12 <br />13 40 <br />14 36 <br />15 40 <br />16 42 <br />17 46 <br />18 46 <br />19 34 <br />21 32 <br />22 86 <br />24 24 <br />25 16 <br />26 26 <br />27 62 <br />28 36 <br />29 29 <br />30 38 <br />31 68 <br />33 32 <br />Mean= 43.2333333 <br />std.dev.= 18.3898085 <br />Total Vegetative Cover <br />Nmm= t`s <br />(dx~- <br />Nmm= (1.3111`(C361` <br />(0.1 •C35)Z <br />31.09728 <br />Standard is 25% cover <br />90% of 25% is 22.5% <br />90% lower confidence limit on sample mean is 38.83 <br />Thus cover mean exceeds standard, with 90% conf. <br />Reverse null t-test confirms success. <br />Calculated t value of 7.66 exceeds table t of 1.311. <br />Thus, null hypothesis is rejected, and success is <br />demonstrated. <br />Note, the Hordeum in the data keyed to Hordeum pusillum (little barley);. <br />The Descurainia keyed to Descurainia Sophia (flixweed) <br />T23 and T32 were discarded due to location outside disturbed area. <br />T20 on the upper bench was inadvertently missed. There were numerous <br />transects in the immediate vicinity, so this was not considered to be <br />a significant flaw. <br />