2015-06-08_PERMIT FILE - C1996083 ‎(11)‎

• Permit No: C1996083
• IBM Index Class Name: Permit File
• Doc Date: 6/8/2015
• Doc Name: 2000 Train Loadout Baseline Survey, Cedar Creek Assoc, February 2001
• Section_Exhibit Name: Volume III Exhibit 05 Vegetation Data Part 3
• Media Type: D
• Archive: No

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Where: n =the number of actual samples collected with a minimum of 15 in each unit;
t =the value from the t distribution for 90% confidence with n-1 degrees of freedom;
a 2 =the variance of the estimate as calculated from the initial samples;
x =the mean of the estimate as calculated from the initial samples.
If the initial minimum number of samples in each area did not provide a suitable estimate of the
mean (i.e., the inequality was false), additional samples were collected until the inequality (nmtn s n)
became true.
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Page 12 Exhibit 5-Bowie Baseline Vegetation Survey