taxes Property Tax Assistance

2017 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	23,980,850	1.0206	23,496,816	9	254	.052488574
A	26,651,150	1.0125	26,322,123	9	173	.014546271
A	29,005,920	1.0852	26,728,640	8	118	.011986849
A	36,835,230	1.1565	31,850,610	8	85	.036584516
C1	18,458,692	0.6651	27,753,258	9	676	.031725083
C1	17,781,370	0.9111	19,516,376	10	487	.020719571
C1	18,556,310	1.0356	17,918,414	12	364	.032880094
C1	17,165,190	0.9421	18,220,136	12	207	.020426703
E	445,906,461	0.9673	460,980,524	34	2,477	.014203499
F1	13,027,508	0.9826	13,258,201	10	83	.002159520
F1	10,742,940	0.8637	12,438,277	9	36	.102893170
F1	14,164,700	1.0106	14,016,129	7	26	.000735396
F1	13,356,890	0.9872	13,530,075	4	7	.000942994
Random Totals:	685,633,211		706,029,579	141	4,993
Catg D1 Exception Values:	8,816,626		9,608,471
Total Test Values (4):	694,449,837		715,638,050

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	35,781,902

Confidence Interval Values (5)

State Lower Limit:	679,856,148	(State Test Value minus Margin of Error Percent)
Local Test Value:	694,449,837	(Within Confidence Interval)
State Upper Limit:	751,419,952	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	668,428,504	(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, D2, E, 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