taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
236/Walker
236-902/Huntsville ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 243,911,410 0.9244 263,859,163 49 3,782 .040378732
A 241,625,972 0.9263 260,850,666 68 2,052 .010339735
A 255,058,690 0.9437 270,275,183 60 1,564 .019426848
A 261,461,490 0.9463 276,298,732 45 1,000 .016419958
B 63,047,820 0.9775 64,499,049 9 191 .035794447
B 53,852,440 1.0101 53,313,969 5 11 .034475983
B 39,933,510 1.0811 36,937,850 3 3 .007829327
B 73,806,500 1.0331 71,441,777 2 4 .008859228
E 268,676,129 0.9585 280,308,950 22 3,037 .032962737
F1 65,462,579 0.9543 68,597,484 10 354 .064973393
F1 68,564,968 0.9254 74,092,250 9 126 .018877849
F1 80,630,126 1.0227 78,840,448 8 55 .011275053
F1 78,426,348 0.9726 80,635,768 5 15 .002394491
Random Totals: 1,794,457,982   1,879,951,289 295 12,194  
Catg D1 Exception Values: 34,539,966   32,831,227      
Total Test Values (4): 1,828,997,948   1,912,782,516      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 95,639,126

Confidence Interval Values (5)

State Lower Limit: 1,817,143,390 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,828,997,948 (Within Confidence Interval)
State Upper Limit: 2,008,421,642 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,020,289,118 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories