taxes Property Tax Assistance

2020 Confidence Interval Detail

Sutton County
218-901/Sonora ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 24,029,625 0.9379 25,620,669 12 479 0.006507636
A 22,007,920 0.8928 24,650,448 11 237 0.002845510
A 23,446,020 0.9773 23,990,607 11 165 0.004643624
A 21,574,760 1.0217 21,116,531 10 75 0.011972738
E 97,223,097 0.9962 97,593,954 20 660 0.023581635
F1 13,936,558 0.9615 14,494,600 10 116 0.004053169
F1 16,874,676 0.9146 18,450,335 9 23 0.012025902
G1 17,287,544 0.9999 17,289,273 10 2,223 0.002462120
G1 8,334,716 0.9840 8,470,240 10 869 0.005112691
G1 9,204,455 0.9023 10,201,103 10 657 0.025243375
G1 11,602,604 0.9660 12,010,977 10 267 0.059217616
Random Totals: 265,521,975 273,888,737 123 5,771
CATG D1 EXCEPTION VALUES: 31,771,860 27,004,409
CATG F1 EXCEPTION VALUES: 14,682,420 14,858,025
CATG J EXCEPTION VALUES: 9,689,110 63,619,305
Total Test Values 321,665,365 379,370,476

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,968,524

Confidence Interval Values(5)

Local Test Value: 321,665,365 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 360,401,952 (State Test Value minus Margin of Error Percent)
State Upper Limit: 398,339,000 (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