taxes Property Tax Assistance

2020 Confidence Interval Detail

Galveston County
084-908/Hitchcock ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 188,056,352 0.8402 223,823,318 15 1,745 0.031638572
A 168,544,475 1.0270 164,113,413 21 876 0.004296805
A 227,552,559 0.9956 228,558,215 16 713 0.035513099
A 177,122,012 1.1006 160,932,230 15 229 0.013430158
C1 14,464,855 0.6187 23,379,433 13 1,198 0.568065400
C1 12,669,590 0.9131 13,875,359 18 221 0.344204769
C1 11,317,690 0.9173 12,338,046 12 117 0.198942109
C1 12,948,373 0.8292 15,615,500 11 62 0.043683528
F1 16,041,722 0.5264 30,474,396 15 100 0.260614467
F1 19,510,350 0.5555 35,122,142 15 37 0.386951753
F1 16,628,650 0.7085 23,471,540 10 16 0.033740903
F1 15,895,111 0.6013 26,433,984 4 6 0.087735851
Random Totals: 880,751,739 958,137,576 165 5,320
CATG D1 EXCEPTION VALUES: 1,504,749 1,213,338
Total Test Values 882,256,488 959,350,914

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 47,967,546

Confidence Interval Values(5)

Local Test Value: 882,256,488 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 911,383,368 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,007,318,460 (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