taxes Property Tax Assistance

2023 Confidence Interval Detail

Erath County
072-903/Stephenville ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 218,781,700 0.8503 257,299,424 50 1,603 0.047883765
A 249,132,990 0.9151 272,246,738 50 1,206 0.009368530
A 364,698,910 0.9413 387,441,740 54 1,342 0.007055788
A 484,425,970 0.9334 518,990,754 49 1,065 0.009971876
B 74,613,360 0.7939 93,983,323 10 191 0.221487886
B 76,795,100 0.9555 80,371,638 8 23 0.002689349
B 53,590,010 0.9820 54,572,312 4 5 0.002354622
E 665,328,540 0.9204 722,868,905 44 2,186 0.031485708
F1 101,575,550 0.9261 109,680,974 11 370 0.015906458
F1 107,618,710 0.8739 123,147,626 10 157 0.066831401
F1 106,209,310 0.9400 112,988,628 9 67 0.003763760
F1 114,405,230 0.8966 127,598,963 7 20 0.013774682
L1 38,205,010 1.1228 34,026,550 10 426 0.014758084
L1 44,366,100 1.0637 41,709,223 12 113 0.006852396
L1 50,011,550 1.0389 48,138,945 8 42 0.004249126
L1 40,932,130 1.0230 40,013,565 6 11 0.002042106
Random Totals: 2,790,690,170 3,025,079,308 342 8,827
CATG B EXCEPTION VALUES: 74,526,690 78,286,578
CATG D1 EXCEPTION VALUES: 13,947,900 13,662,895
CATG J EXCEPTION VALUES: 5,592,670 5,533,372
Total Test Values 2,884,757,430 3,122,562,153

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 156,128,108

Confidence Interval Values(5)

Local Test Value: 2,884,757,430 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 2,966,434,045 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,278,690,261 (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