taxes Property Tax Assistance

2025 Confidence Interval Detail

Coryell County
050-910/Copperas Cove 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 2 602,644,394 0.9178 656,618,429 59 4,115 874,860,847
A 3 592,422,865 0.9781 605,687,419 60 2,827 790,436,159
A 4 652,654,326 1.0257 636,301,381 57 2,388 1,047,933,397
A 5 652,406,379 1.0393 627,736,341 59 1,616 4,401,535,513
B 2 66,053,875 0.9769 67,615,800 10 374 1,972,675,166
B 3 81,515,896 0.9518 85,643,934 13 272 2,804,209,553
B 4 70,616,906 1.0033 70,384,637 11 191 417,991,144
B 5 65,023,031 0.8964 72,537,964 12 56 970,379,903,908
F1 2 61,446,184 0.8780 69,984,264 11 166 70,707,528,960
F1 3 63,896,502 0.9923 64,392,323 10 56 197,105,058,718
F1 4 65,739,118 0.9484 69,315,814 9 20 3,482,419,624,855
Random Totals: 2,974,419,476 3,026,218,306 311 12,081
CATG D1 EXCEPTION VALUES: 1,614,290 1,187,971
CATG F1 EXCEPTION VALUES: 56,080,100 57,377,321
Total Test Values 3,032,113,866 3,084,783,598

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 154,239,180

Confidence Interval Values(5)

Local Test Value: 3,032,113,866 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,930,544,418 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,239,022,778 (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