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 0.9420 1,602,390,022 99 8292 0.016628084
A 1,876,346,034 0.9757 1,923,076,800 98 7328 0.007526533
A 2,211,481,513 0.9628 2,296,927,205 103 6912 0.006342462
A 2,137,653,627 0.9783 2,185,069,638 100 4241 0.011084937
B 36,601,536 0.4026 90,912,906 4 6 0.028855850
B 79,683,000 0.6180 128,936,893 2 6 0.049247321
B 49,745,440 0.7433 66,925,118 2 3 0.035879407
B 50,720,000 0.5723 88,624,199 2 4 0.000266662
F1 191,918,151 0.5037 381,016,778 13 389 0.244155947
F1 196,102,394 0.4823 406,598,370 10 139 0.119550277
F1 183,596,827 0.4800 382,493,390 8 51 0.157975722
F1 192,831,280 0.7192 268,119,132 7 20 0.077724895
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 10,128,275,170 487 28,395
CATG D1 EXCEPTION VALUES: 367,150 252,062
Total Test Values(1) 8,988,385,813 10,128,527,232

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 506,426,362

Confidence Interval Values(5)

Local Test Value: 8,988,385,813 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 9,622,100,870 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,634,953,594 (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