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samples. Care will be taken to select bales from throughout the field, or if the hay is already <br />stacked, from many locations in the stack. No drying will take place, since no drying was <br />accounted for when the data was collected to determine the standard. <br />Sample adequacy will be tested during field sampling using the formula in DRMS Regulation <br />4.15.11(2)(a), as follows: <br />1 <br />n. =T <br />'ffy <br />where: <br />n. = minimum sample size <br />S' = Sample variance (n -1 degrees of freedom) <br />d = precision (0.10 for cover and production; 0.15 for woody <br />plant density) <br />s = Sample arithmetic mean <br />t = The (a =. 10) t -table value for a 1 tail t -test, n -1 degrees of <br />freedom (infinite degrees of freedom may be used if n> 30) <br />n =Sample size <br />During field sampling for production, at least 15 samples (observational units) will be made at <br />each site to be tested for bond release Sample adequacy will be tested after 15 samples are <br />taken, using a field laptop computer. Sampling may continue if necessary to reach sample <br />adequacy, or sampling may be terminated before sample adequacy is reached if an alternative <br />statistical method (approved by DRMS) can be used that does note require demonstration of <br />sample adequacy. Alternative procedures will require a minimum of 30 samples- as-detailed <br />below to attain sample adeauacv <br />PR -06 May 2010 2.05.4(2)(e) - 41 <br />