['Figure', '5.', 'COMPARISON', 'OF', 'D9BI', 'VS', 'D9ZO', 'USING', 'UNPAIRED', 'PARAMETRIC', 'T-TEST', 'Testing', 'Sample', '1', '(D9BI)', 'WILK-SHAPIRO', 'test', 'of', 'NORMALITY', 'MEAN', 'OF', 'HYPOTHETICAL', 'NORMAL', 'POPULATIONS', '=', '0.3906', 'VARIANCE', 'OF', 'HYPOTHETICAL', 'NORMAL', 'POPULATIONS', '=', '0.002424', 'CALCULATED', 'W', '=', '0.801094', 'SL', '=', '0.01', 'At', 'a', 'SIGNIFICANCE', 'LEVEL', 'of', '.05,', 'The.', 'NULL', 'HYPOTHESIS', 'that', 'the', 'POPULATION', 'is', 'NORMAL.', 'can', 'be', 'REJECTED,', 'Testing', 'Sample', '2', '(D920)', 'WILK-SHAPIRO', 'test', 'of', 'NORMALITY', 'MEAN', 'OF', 'HYPOTHETICAL', 'NORMAL', 'POPULATIONS', '=', '0.8943', 'VARIANCE', 'OF', 'HYPOTHETICAL', 'NORMAL', 'POPULATIONS', '=', '0.0048', 'CALCULATED', 'W', '=', '0.906823', 'SL', '=', '>.1', 'At', 'a', 'SIGNIFICANCE', 'LEVEL', 'of', '.05,', 'There', 'is', 'INSUFFICIENT', 'REASON', 'to', 'REJECT', 'the', 'NULL', 'HYPOTHESIS', 'that.', 'the', 'POPULATION', 'is', 'NORMAL.', 'F', 'TEST', 'FOR', 'VARIANCE', 'RATIO:', 'SAMPLE', '1', '(D9BI):', 'SAMPLE', '2', '(D920):', 'VARIANCE', '=', '0.002424', 'VARIANCE', '=', '0.0048', 'MEAN:', '=', '0.3906', 'MEAN', '=', '0.8943.', 'N', '=', '10', 'N', '=', '10', 'F', '1.979803', 'DF', '(NUMERATOR)', '9', 'DF', '(DENOMINATOR)', '8IG.', 'LEVEL', '9', '0.323485', 'end', 'AT', 'A', 'SIGNIFICANCE', 'LEVEL', 'OF', '.05,', 'There', 'is', 'INSUFFICIENT', 'EVIDENCE', 'to', 'REJECT', 'the', 'NULL', 'HYPOTHESIS', 'of', 'EQUAL', 'VARIANCES.', 'T-TEST:', 'COMPARE', 'MEANS', 'OF', 'TWO', 'SAMPLES', 'ASSUMING', 'EQUAL', 'VARIANCE', 'Testing', 'the', 'HYPOTHESIS', 'that', 'the', 'MEAN', 'of', 'the:', 'DISTRIBUTION', 'underlying', 'SAMPLE', '1', '(D9BI)', 'is', 'NOT', 'EQUAL', 'TO', 'that', 'of', 'SAMPLE', '2', '(D9ZQ).', '(NULL', 'HYPOTHESIS:', 'SAMPLE', '1', 'MEAN', 'is', 'EQUAL', 'TO', 'that', 'of', 'SAMPLE', '2.)', 'SAMPLE', '1', '(D9BI):', 'SAMPLE.', '2', '(D9Z0):', 'MEAN', '=', '0.3906', 'MEAN', '=', '0.8943', 'N', '=', '10', 'N', '=', '10', 'POOLED', 'VARIANCE.', '=', '0.008612', 'DE', '=', '18', 'T', '=', '-18.739934', 'sl', '=', '0.0001', 'At', 'a', 'SIGNIFICANCE:', 'LEVEL', 'of', '.05,', 'the', 'NULL', 'HYPOTHESIS', 'that', 'the', 'MEAN', 'of', 'SAMPLE', '1', '(D$BI)', 'is', 'EQUAL.', 'TO', 'the', 'MEAN', 'of', 'SAMPLE', '2', '(D9Z0)', 'can', 'be', 'REJECTED.', 'FESS8ZE20e']