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;--= -~-- <br />• <br />Bob Liddle -2- April 21, 1981 <br />sample t test. 2 <br />However, the procedure for testing this hypothesis (Section 9.1) is <br />adversely affected by deviations from its underlying normality assump- <br />tion, whereas the t test is robust with regard to its underlying assum <br />the testing of the hypothesis Ho:o7 = 02 prior to commencing a two- <br />tions, so to "make the oreliminarv test on variances is rather like <br />calm for an ocean liner <br />out wnetner conditions are <br />4. Utilization of an inappropriate technique does not excuse the applicant <br />from meeting the requirements of the Act and regulations. <br /> <br />5. A typographical error has occurred in this comment, quantitative should <br />read qualitative. If the State determines that this area is a critical <br />habitat type quantitative testing may be required. <br />6. Sample adequacy has not been met for most of the parameters sampled. I <br />wish to discuss these discrepancies directly with the applicant. <br />mab <br />