taxes Property Tax Assistance

2025 Confidence Interval Detail

Erath County
072-903/Stephenville ISD

Category Summary

(1)
Category 		(1)
Stratum
Number 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2 329,376,720 0.9583 343,709,402 46 1,847 3,357,690,785
A 3 363,764,610 0.9679 375,828,712 45 1,354 1,368,110,937
A 4 406,889,880 0.9676 420,514,551 50 1,132 4,946,317,284
A 5 403,808,890 0.9803 411,923,789 23 686 13,140,219,025
B 2 75,945,790 0.9059 83,834,629 12 229 11,017,964,866
B 3 86,569,580 0.8137 106,390,045 11 42 4,848,902,048,526
B 4 83,548,310 0.9105 91,760,912 7 9 34,462,136,710,613
E 0 802,026,260 0.9512 843,173,108 22 2,278 236,044,957,544
F1 2 112,867,610 0.9719 116,130,888 15 362 35,398,758,822
F1 3 120,362,380 0.9967 120,760,891 13 150 20,102,478,058
F1 4 117,038,530 1.0266 114,005,971 11 66 479,194,316,704
F1 5 122,557,360 1.0016 122,361,581 7 18 16,636,615,721,624
L1 2 67,210,210 0.9560 70,303,567 10 402 35,956,089,465
L1 3 68,070,870 0.9956 68,371,706 10 69 481,031,179,716
L1 4 74,741,980 1.0094 74,045,948 7 19 6,468,169,614,058
Random Totals: 3,234,778,980 3,363,115,700 289 8,663
CATG B EXCEPTION VALUES: 63,557,850 90,574,302
CATG D1 EXCEPTION VALUES: 14,944,740 11,703,195
CATG J EXCEPTION VALUES: 74,167,070 79,630,942
CATG L1 EXCEPTION VALUES: 60,333,110 60,201,602
Total Test Values 3,447,781,750 3,605,225,741

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 180,261,287

Confidence Interval Values(5)

Local Test Value: 3,447,781,750 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,424,964,454 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,785,487,028 (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