taxes Property Tax Assistance

2019 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 171,559,494 0.9002 190,579,309 31 1858 0.037699169
A 189,604,970 0.9799 193,494,203 67 987 0.005972956
A 162,181,955 0.9663 167,838,099 29 447 0.017907844
A 159,392,086 1.0061 158,425,689 14 207 0.004731536
C1 11,061,697 0.8293 13,338,595 12 918 0.305322722
C1 11,388,480 0.9603 11,859,294 10 196 0.175558048
C1 11,701,240 1.0246 11,420,301 9 120 0.076853527
C1 10,917,080 0.9929 10,995,146 9 53 0.097252023
F1 15,528,262 0.5479 28,341,416 9 96 0.154495855
F1 19,259,117 0.6607 29,149,564 7 34 0.162768811
F1 15,042,280 0.5437 27,666,507 5 8 0.022251621
F1 13,676,260 0.5995 22,812,777 3 4 0.282423431
Random Totals: 791,312,921 865,920,900 205 4,928
CATG D1 EXCEPTION VALUES: 1,163,280 908,689
Total Test Values(1) 792,476,201 866,829,589

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 43,341,479

Confidence Interval Values(5)

Local Test Value: 792,476,201 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 823,488,110 (State Test Value minus Margin of Error Percent)
State Upper Limit: 910,171,068 (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