taxes Property Tax Assistance

2025 Confidence Interval Detail

Parker County
184-909/Brock 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 2 276,201,000 1.0100 273,466,337 32 630 7,710,475,442
A 3 263,615,448 1.0014 263,246,902 27 460 4,197,695,157
A 4 319,795,922 1.0475 305,294,436 23 457 5,292,510,451
A 5 403,579,372 1.0191 396,015,476 17 422 37,884,376,202
E 0 410,326,856 1.0094 406,505,702 20 969 234,574,940,388
F1 2 16,484,339 0.9887 16,672,741 8 23 39,424,821,916
F1 3 31,092,799 1.0000 31,092,799 7 26 21,120,555,818
F1 4 31,734,171 0.9590 33,090,898 6 17 157,738,875,541
F1 5 62,825,030 1.0044 62,549,811 5 19 4,571,309,395,438
Random Totals: 1,815,654,937 1,787,935,102 145 3,023
CATG D1 EXCEPTION VALUES: 4,969,767 4,794,554
Total Test Values 1,820,624,704 1,792,729,656

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 89,636,483

Confidence Interval Values(5)

Local Test Value: 1,820,624,704 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,703,093,173 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,882,366,139 (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