18.1 Introduction18.2 Theory18.3 Our Mortality Data and Various Proposed Mortality Rates18.4 Testing the Standard Table Rates – Table 1, 18.4.1 Data and initial plot18.4.2 x2 test18.4.3 Signs Test – for Overall Bias18.4.4 Serial Correlations Test; Testing for Bias Over Age Ranges18.4.5 Analysing the Distribution of Deviances18.4.6 logL, AIC Calculations18.4.7 Conclusions on Conclusions on 18.5 Graduation of Mortality Rates by Adjusting a Standard Table18.5.1 Testing Table 2, 18.5.2 Adjusting Table 218.6 Testing Graduated Rates Obtained from a Parametric Formula, 18.7 Comparing Our Candidate Rates18.8 Over-fitting18.9 Other Thoughts18.10 Appendix – Alternative Calculations of LogL’s18.11 Recommended Reading