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 0.6255 25,646,238 14 100 0.094220048
F1 19,510,350 0.5926 32,923,304 15 37 0.249606525
F1 16,628,650 0.7233 22,990,894 10 16 0.041039360
F1 15,895,111 0.5673 28,019,467 4 6 0.091570190
Random Totals: 880,751,739 952,215,417 164 5,320
CATG D1 EXCEPTION VALUES: 1,504,749 1,213,338
Total Test Values 882,256,488 953,428,755

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 47,671,438

Confidence Interval Values(5)

Local Test Value: 882,256,488 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 905,757,317 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,001,100,193 (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