taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
016/Blanco
016-902/Blanco ISD

Category Summary

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

Stratum
Variance
A 19,349,650 0.9225 20,975,230 10 246 .024027000
A 19,119,350 0.9677 19,757,518 9 153 .011414968
A 18,699,620 0.9995 18,708,974 9 98 .010227641
A 19,112,240 1.0131 18,865,107 8 52 .007553548
C1 17,169,055 1.0390 16,524,596 11 664 .011660022
C1 16,617,380 0.9587 17,333,243 10 494 .016768805
C1 17,441,240 0.9663 18,049,508 10 364 .027656834
C1 16,425,070 0.9276 17,707,061 10 207 .017035278
E 341,433,206 0.8541 399,757,881 24 2,332 .100740931
F1 11,355,670 0.9442 12,026,763 11 79 .023684156
F1 11,542,410 1.0202 11,313,870 8 40 .041594085
F1 11,097,770 0.8808 12,599,648 7 19 .012323443
F1 12,725,220 1.0302 12,352,184 4 7 .020535469
Random Totals: 532,087,881   595,971,583 131 4,755  
Catg D1 Exception Values: 8,773,982   7,878,912      
Total Test Values (4): 540,861,863   603,850,495      

Margin of Error

Margin of Error Percent: 8.4836981
Margin of Error Value: 51,228,853

Confidence Interval Values (5)

Local Test Value: 540,861,863 (Outside Confidence Interval)
State Lower Limit: 552,621,642 (State Test Value minus Margin of Error Percent)
State Upper Limit: 655,079,348 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 542,719,771 (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