taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
101/Harris
101-913/Humble ISD

Category Summary

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

Stratum
Variance
A 2,027,396,901 0.9488 2,136,801,118 192 17,735 .008584065
A 2,130,752,954 0.9678 2,201,645,954 186 13,060 .008126497
A 2,266,394,243 0.9727 2,330,003,334 188 10,012 .008991048
A 2,311,908,769 0.9575 2,414,526,130 188 5,637 .012140030
B 120,727,611 0.9181 131,497,235 8 34 .015749355
B 81,152,031 0.9984 81,282,082 4 6 .004641130
B 85,704,972 1.0389 82,495,882 4 5 .004030550
B 216,974,145 0.9557 227,031,647 4 10 .002746899
F1 332,852,450 1.1233 296,316,612 11 549 .021647071
F1 336,450,633 1.0556 318,729,285 9 189 .007130957
F1 364,870,830 1.1672 312,603,521 10 88 .020451678
F1 402,200,953 1.0768 373,515,001 7 31 .005245242
L1 109,354,679 0.9443 115,805,019 10 1,242 .010055477
L1 105,864,852 0.9305 113,772,006 10 206 .013336654
L1 117,780,930 0.9299 126,659,781 9 69 .007901776
L1 87,183,738 0.9759 89,336,754 6 16 .001133681
Random Totals: 11,097,570,691   11,352,021,361 846 48,889  
Catg D1 Exception Values: 11,233,158   11,189,616      
Total Test Values (4): 11,108,803,849   11,363,210,977      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 568,160,549

Confidence Interval Values (5)

State Lower Limit: 10,795,050,428 (State Test Value minus Margin of Error Percent)
Local Test Value: 11,108,803,849 (Within Confidence Interval)
State Upper Limit: 11,931,371,526 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 10,744,651,805 (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