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TABLE 9-; TABULATED VALUES OF STUDENT'l to FOR EVALUATING <br /> SOLID WASTES <br /> Degrees of Tabulated <br /> freedom (n-1)a "t' valueb <br /> 1 3.078 <br /> 2 1.886 <br /> 3 1.638 <br /> 4 1.533 <br /> 5 1.476 <br /> 6 1.440 <br /> 7 1.415 <br /> 8 1.397 <br /> 9 1.393 <br /> 10 1.372 <br /> 11 1.363 <br /> 12 1.356 <br /> 13 1.350 <br /> 14 1.345 <br /> 15 1.341 <br /> 16 1.337 <br /> 17 1.333 <br /> 18 1.330 <br /> 19 1.328 <br /> 20 1.325 <br /> i <br />. 21 1.323 <br /> 22 1.321 <br /> 23 1.319 <br /> 24 1.318 <br /> 25 1.316 <br /> 26 1.315 <br /> 27 1.314 <br /> 28 1.313 <br /> 29 1.311 <br /> 30 1.310 <br /> 40 1.303 <br /> fi0 1.296 <br /> 120 1.289 <br /> 1.282 <br /> aDegrees of freedom (df) are equal to the number of samples (n) <br /> collected from a solid waste less one. <br /> bTabulated 't' values are for a two-tailed confidence interval <br /> and a probability of 0.20 (the same values are applicable to a one-tailed <br /> confidence interval and a probability of 0.10) . <br /> NINE - 4 <br /> Revision 0 <br /> Date September 1986 <br />