taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 20,095,040 1.0115 19,866,574 7 241 .002933314
A 21,978,550 1.0307 21,323,906 7 164 .002553897
A 23,257,770 1.0273 22,639,706 7 114 .006659347
A 28,234,110 1.0328 27,337,442 8 71 .008196841
C1 12,902,042 0.9843 13,107,835 7 507 .022278718
C1 18,407,860 1.0107 18,212,981 10 555 .004604847
C1 21,941,050 1.0109 21,704,471 14 454 .001648014
C1 19,518,220 1.0610 18,396,060 6 233 .012478982
E 398,326,236 1.0126 393,369,777 33 2,437 .008397084
F1 11,619,671 1.1078 10,488,961 10 81 .051436044
F1 10,011,470 1.2793 7,825,741 8 35 .071769156
F1 13,480,280 1.1318 11,910,479 7 26 .041860483
F1 13,199,780 1.0273 12,849,002 4 7 .043666915
Random Totals: 612,972,079   599,032,935 128 4,925  
Catg D1 Exception Values: 8,763,321   8,471,431      
Total Test Values (4): 621,735,400   607,504,366      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 30,375,218

Confidence Interval Values (5)

State Lower Limit: 577,129,148 (State Test Value minus Margin of Error Percent)
Local Test Value: 621,735,400 (Within Confidence Interval)
State Upper Limit: 637,879,584 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 607,666,386 (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