taxes Property Tax Assistance

2021 Confidence Interval Detail

Tom Green County
226-903/San Angelo ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,015,099,788 0.7326 1,385,612,596 100 10,988 0.051190283
A 959,229,490 0.8600 1,115,383,128 92 6,044 0.025570570
A 1,258,882,510 0.9200 1,368,350,554 99 5,722 0.015100749
A 1,182,079,610 0.9289 1,272,558,521 49 3,073 0.045368885
F1 224,107,510 0.9810 228,448,022 10 1,122 0.004413525
F1 236,446,351 1.0366 228,097,965 10 360 0.006191982
F1 232,799,650 1.0216 227,877,496 10 122 0.014216570
F1 219,062,850 0.9536 229,721,948 8 37 0.064525491
L1 134,483,449 1.0053 133,774,444 10 993 0.003602105
L1 112,018,083 0.9810 114,187,648 10 165 0.001410181
L1 131,698,543 0.9918 132,787,400 10 60 0.001433783
L1 108,429,650 0.9738 111,346,940 7 14 0.000287034
Random Totals: 5,814,337,484 6,548,146,662 415 28,700
CATG D1 EXCEPTION VALUES: 8,412,120 6,289,559
Total Test Values 5,822,749,604 6,554,436,221

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 327,721,811

Confidence Interval Values(5)

Local Test Value: 5,822,749,604 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 6,226,714,410 (State Test Value minus Margin of Error Percent)
State Upper Limit: 6,882,158,032 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values