taxes Property Tax Assistance

2019 Confidence Interval Detail

Coryell County
050-910/Copperas Cove ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 226,392,025 0.9582 236,268,029 74 3233 0.045219789
A 326,618,395 0.9578 341,008,974 73 3131 0.014472471
A 290,995,182 0.9698 300,056,900 73 1958 0.008095855
A 374,585,129 0.9742 384,505,367 72 1763 0.005416608
B 33,440,449 0.7922 42,212,130 17 377 0.039987768
B 29,382,714 0.9168 32,049,208 14 200 0.013507376
B 27,377,691 0.9788 27,970,669 16 111 0.002084963
B 27,940,905 0.8057 34,679,043 6 10 0.063088308
F1 48,337,990 1.0156 47,595,500 8 139 0.015302962
F1 55,140,739 0.9685 56,934,165 8 55 0.014202530
F1 48,638,430 0.8630 56,359,710 6 17 0.050654717
F1 52,466,596 0.9065 57,878,208 5 6 0.008498091
Random Totals: 1,541,316,245 1,617,517,903 372 11,000
CATG D1 EXCEPTION VALUES: 1,581,813 1,491,857
Total Test Values(1) 1,542,898,058 1,619,009,760

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 80,950,488

Confidence Interval Values(5)

Local Test Value: 1,542,898,058 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 1,538,059,272 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,699,960,248 (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