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 0.8341 205,682,165 36 1858 0.056198250
A 189,604,970 0.9809 193,296,942 65 987 0.005911036
A 162,181,955 0.9609 168,781,304 29 447 0.018506161
A 159,392,086 0.9962 160,000,086 14 207 0.006350460
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 0.3793 40,939,262 9 96 0.178660547
F1 19,259,117 0.5114 37,659,595 7 34 0.130356069
F1 15,042,280 0.3301 45,568,858 5 8 0.187694107
F1 13,676,260 0.4697 29,117,011 3 4 0.365817189
Random Totals: 791,312,921 928,658,559 208 4,928
CATG D1 EXCEPTION VALUES: 1,163,280 908,689
Total Test Values(1) 792,476,201 929,567,248

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 46,478,362

Confidence Interval Values(5)

Local Test Value: 792,476,201 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 883,088,886 (State Test Value minus Margin of Error Percent)
State Upper Limit: 976,045,610 (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