taxes Property Tax Assistance

2019 Confidence Interval Detail

Galveston County
084-909/Santa Fe ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 310,260,433 0.8658 358,351,158 68 2482 0.030462170
A 411,601,802 0.9302 442,487,424 67 2165 0.023437598
A 416,497,290 0.9370 444,500,843 49 1634 0.017169702
A 478,565,449 0.9742 491,239,426 35 1179 0.005774989
E 117,082,173 0.9428 124,185,589 15 867 0.168271624
Random Totals: 1,734,007,147 1,860,764,440 234 8,327
CATG D1 EXCEPTION VALUES: 2,173,150 1,532,852
Total Test Values(1) 1,736,180,297 1,862,297,292

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 93,114,865

Confidence Interval Values(5)

Local Test Value: 1,736,180,297 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,769,182,427 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,955,412,157 (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