taxes Property Tax Assistance

2019 Confidence Interval Detail

Galveston County
084-910/Clear Creek ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,509,451,401 0.9426 1,601,370,041 99 8292 0.015499434
A 1,876,346,034 0.9772 1,920,124,881 98 7328 0.007061012
A 2,211,481,513 0.9613 2,300,511,300 103 6912 0.006221387
A 2,137,653,627 0.9775 2,186,857,930 100 4241 0.009710056
B 36,601,536 0.4569 80,108,418 4 6 0.065357479
B 79,683,000 0.7233 110,165,906 2 6 0.142520105
B 49,745,440 0.8106 61,368,665 2 3 0.029563759
B 50,720,000 0.6229 81,430,083 2 4 0.000676482
F1 191,918,151 0.6206 309,246,134 13 389 0.108469174
F1 196,102,394 0.5574 351,816,279 10 139 0.231538288
F1 183,596,827 0.5588 328,555,524 8 51 0.075982226
F1 192,831,280 0.8218 234,645,023 7 20 0.043267383
L1 61,332,070 0.7146 85,827,134 11 790 0.684174834
L1 77,217,280 0.9869 78,242,254 13 168 0.010018914
L1 58,288,260 0.9152 63,689,095 8 32 0.008296538
L1 75,049,850 0.9449 79,426,236 7 14 0.012896511
Random Totals: 8,988,018,663 9,873,384,903 487 28,395
CATG D1 EXCEPTION VALUES: 367,150 252,062
Total Test Values(1) 8,988,385,813 9,873,636,965

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 493,681,848

Confidence Interval Values(5)

Local Test Value: 8,988,385,813 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 9,379,955,117 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,367,318,813 (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