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Team Rating Sigma Upper_Bound Lower_Bound
1 NewEngland 2758.065361 456.488753 3671.042866 1845.087855
2 Atlanta 2676.976635 460.476724 3597.930082 1756.023188
3 Denver 2663.215589 480.778475 3624.772539 1701.658639
4 Cincinnati 2663.215589 480.778475 3624.772539 1701.658639
5 GreenBay 2643.602842 472.028679 3587.660201 1699.545484
6 Arizona 2611.982531 477.287207 3566.556945 1657.408117
7 Carolina 2543.187691 495.477269 3534.142230 1552.233152
8 Oakland 2347.643906 429.432654 3206.509214 1488.778599
9 Pittsburgh 2299.030577 436.740458 3172.511492 1425.549661
10 Buffalo 2255.970671 446.740535 3149.451741 1362.489601
11 Cleveland 2215.446865 429.432654 3074.312173 1356.581557
12 Minnesota 2206.218218 440.545832 3087.309881 1325.126554
13 Dallas 2187.560302 463.949582 3115.459466 1259.661137
14 Jacksonville 1991.838465 444.849734 2881.537932 1102.138998
15 NewYorkG 1924.370150 441.351140 2807.072431 1041.667870
16 KansasCity 1905.229369 456.462763 2818.154895 992.303843
17 Houston 1880.969913 448.670805 2778.311523 983.628303
18 Indianapolis 1865.644310 442.242912 2750.130134 981.158487
19 SanDiego 1793.781782 440.545832 2674.873446 912.690119
20 Philadelphia 1780.020295 424.026164 2628.072622 931.967968
21 Seattle 1770.391036 461.081852 2692.554739 848.227333
22 SanFrancisco 1763.779856 448.955594 2661.691045 865.868668
23 Washington 1761.166966 421.837955 2604.842875 917.491057
24 StLouis 1700.969423 436.740458 2574.450339 827.488508
25 NewYorkJ 1692.240098 470.414300 2633.068699 751.411498
26 Miami 1689.503098 436.069254 2561.641606 817.364589
27 Tennessee 1681.023001 432.774518 2546.572036 815.473965
28 TampaBay 1613.536715 436.187291 2485.911297 741.162134
29 Detroit 1336.784411 480.778475 2298.341361 375.227461
30 Baltimore 1336.784411 480.778475 2298.341361 375.227461
31 NewOrleans 1323.297591 476.918369 2277.134330 369.460853
32 Chicago 1269.967136 461.081852 2192.130839 347.803433

Sigma is an expression of confidence in a team's rating. You can treat it as a measure of uncertainty in the rating value, so a lower value means we're more certain about a rating than a higher value.
Upper and lower bounds are a 95% confidence interval for the team's rating, meaning that their true skill rating lies somewhere between those two values (that's not an entirely accurate explanation of a confidence interval, but for our purposes it'll do).


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