Background (skip this if you want)

So, in the past (linked post) I've figured out a success score for every team (based on how they perform against different quality of opponents) and a viewership score (complicated formula, but based on a combination of median viewership, avg viewership in rated games and avg viewers in all games - treating unrated games as 0 viewers)

So as background, here's the graph of every school's Viewership and Success Score

https://docs.google.com/spreadsheets/u/1/d/e/2PACX-1vQpjfzGL4aQZcNcAYRwLduNpS_rGQiNRFKbUkZAXLGzne9d2nBEZpuNdJTYwXFHRVewO2ODto88WJ_p/pubchart?oid=1287750268&format=interactive

Plus a zoomed in version for easier viewing (https://docs.google.com/spreadsheets/u/1/d/e/2PACX-1vQpjfzGL4aQZcNcAYRwLduNpS_rGQiNRFKbUkZAXLGzne9d2nBEZpuNdJTYwXFHRVewO2ODto88WJ_p/pubchart?oid=1680908327&format=interactive)

Main Post

So I got to wondering which schools have viewership which over- and underperforms their expected viewership, given their level of on-field success.  Looking at all of these schools, there's an equation for expected viewership as a function of team success.  I then compared it to actual viewership score to get the Viewership over Expected (based purely on team success)

1. Michigan 1.84
2. LSU 1.18
3. Auburn 1.17
4. Tennessee 1.00
5. Texas 0.967
6. Penn St 0.946
7. Florida 0.931
8. Nebraska 0.869
9. Army 0.834 (mostly Army/Navy game)
10. Arkansas 0.813
11. Texas A&M 0.690
12. Indiana 0.540
13. Ohio St 0.472
14. Notre Dame 0.358
15. Alabama 0.357
    SEC 0.324
16. Georgia 0.310
17. Purdue 0.307
18. Ole Miss 0.258
19. Kansas 0.182
20. Maryland 0.154
    B1G 0.041
21. Michigan St 0.026
22. Colorado 0.012
23. Kentucky 0.008
24. Tulane 0.002
25. South Carolina -0.005
26. Iowa St -0.010
27. Syracuse -0.022
28. SMU -0.024
29. Northwestern -0.064
30. Navy -0.076
31. Illinois -0.087
32. Georgia Tech -0.110
33. North Carolina -0.112
34. Arizona -0.144
35. UCLA -0.151
36. Texas Tech -0.156
37. Miami -0.186
38. Mississippi St -0.200
39. Oregon St -0.205
40. South Florida - 0.208
41. Virginia -0.221
42. West Virginia -0.243
43. Cal -0.259
44. Virginia Tech -0.259
45. UNLV -0.266
46. Cincinnati -.307
47. Rutgers -0.311
48. Missouri -0.316
49. Vanderbilt -0.321
50. UCF -0.346
51. UTSA -0.356
52. Boston College -0.363
53. Washington St -0.371
54. TCU -0.376
55. Louisville -0.383
    Big 12 -0.392
56. Wisconsin -0.399
57. BYU -0.410
58. Arizona St -0.433
59. USC -0.449
60. Wake Forest -0.451
61. Memphis -0.467
62. Florida St -0.471
63. Oklahoma -0.481
64. Oregon -0.504
65. Minnesota -0.535
    PAC -0.537
66. NC State -0.559
    ACC -0.576
67. Kansas St -0.598
68. Pitt -0.654
69. Washington -0.680
70. Baylor -0.705
71. Duke -0.707
72. Boise St -0.749
73. Oklahoma St -0.753
74. San Diego St -0.821
75. Stanford -0.848
76. Iowa -0.894
77. Houston -0.987
78. Utah -1.07
79. Fresno -1.08
80. Clemson -1.47

Of course there's lots of reasons to be high or low on this.  You might be high or low because of opponents (Indiana, Army, most G5s + BYU) or because of timezones/TV slots (Oregon, Washington) or just because you're so good/bad that the expectations are absurd (Clemson, Kansas, Army and Indiana again)

So it's not a perfect measure as to why teams over or underperform, but interesting list to consider.  The top 16 (except Indiana and Army) do a pretty great job of hitting the most dedicated fanbases.

Teams I'm surprised to see so low include Wisconsin (56), BYU (57), Florida St (62), Oklahoma (63), Oregon (64), Washington (69), Oklahoma St (73), Utah (78), and Clemson (80)