taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
039/Clay
039-904/Bellevue ISD

Category Summary

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

Stratum
Variance
A 1,634,130 0.9416 1,735,482 9 62 .006061597
A 1,615,460 0.9402 1,718,209 8 33 .001765081
A 1,669,130 1.0036 1,663,143 7 22 .003019354
A 1,695,250 1.0218 1,659,082 6 14 .002633575
D3 15,126,180 0.9775 15,474,353 15 1,195 .010866890
G1 2,360,670 0.9970 2,367,773 6 18 .010850248
G1 2,374,790 0.9292 2,555,736 4 8 .019552365
G1 2,730,980 0.9863 2,768,914 3 4 .008550810
Random Totals: 29,206,590   29,942,692 58 1,356  
Catg J Exception Values: 10,446,750   10,774,904      
Catg D1 Exception Values: 7,037,240   7,400,401      
Catg G1 Exception Values: 1,729,890   1,669,835      
Total Test Values (4): 48,420,470   49,787,832      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,489,392

Confidence Interval Values (5)

State Lower Limit: 47,298,440 (State Test Value minus Margin of Error Percent)
Local Test Value: 48,420,470 (Within Confidence Interval)
State Upper Limit: 52,277,224 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 53,265,360 (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