Main Calculations for Class Rates
(1) (2) (3) (4) (5) (6) (7)
(Data) (Data) (1)/(2) (1)\(\times\)C \(\sqrt{(4)/683}\) (3)\(\times\)(5)​+A(1.0-(5)) (6) \(\times\) E
Class Exposure Losses Raw Rate "L" Expected Claim Count Credibility of Class Credibility Adjusted Rate Corrected Rate
1 25 $ 78,427 $ 3,137 65 31 % $ 1,324 $ 1,564
2 30 $ 40,687 $ 1,356 78 34 % $ 800 $ 946
3 36 $ 65,073 $ 1,808 93 37 % $ 994 $ 1,174
4 43 $ 35,837 $ 830 112 40 % $ 644 $ 761
5 52 $ 59,918 $ 1,156 134 44 % $ 800 $ 946
6 62 $ 72,435 $ 1,164 161 49 % $ 832 $ 983
7 75 $ 63,990 $ 857 193 53 % $ 698 $ 825
8 90 $ 57,059 $ 637 232 58 % $ 587 $ 694
9 107 $ 90,110 $ 838 278 64 % $ 722 $ 853
10 129 $ 46,934 $ 364 334 70 % $ 410 $ 485
11 155 $ 47,281 $ 305 401 77 % $ 355 $ 420
12 186 $ 54,427 $ 293 481 84 % $ 329 $ 389
13 223 $ 69,726 $ 313 577 92 % $ 329 $ 389
14 267 $ 64,108 $ 240 692 100 % $ 240 $ 283
15 321 $ 86,197 $ 269 831 100 % $ 269 $ 317
 
Total 1,801 $ 932,211 $ 518 4,661 % $ 438 $ 518
Reference Values for All Classes
A =Needed Overall Average Rate $518
B = Severity (Computed Outside the Table) $200
C = A/B = Expected Claims/Exposure 2.588
D = Average Z-Adjusted Rate $438
E = A/D = Off-Balance Factor 1.1814