taxes Property Tax Assistance

2017 Confidence Interval Detail

236/Walker
236-902/Huntsville ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	280,178,351	0.9181	305,171,932	49	3,686	.036415077
A	306,506,840	0.9538	321,353,365	90	2,203	.010410338
A	358,317,298	0.9810	365,257,185	81	1,868	.010574916
A	422,867,497	0.9926	426,020,045	47	1,342	.006762652
B	83,999,320	0.9266	90,653,270	13	268	.015739657
B	60,450,670	0.5112	118,252,484	6	13	.005765916
B	75,515,130	0.5848	129,129,839	3	5	.011881254
E	367,111,058	0.9189	399,511,435	41	3,276	.048683883
F1	95,275,161	0.9958	95,677,004	10	394	.003829422
F1	100,379,706	0.9503	105,629,492	9	134	.018031365
F1	91,950,072	0.9720	94,598,840	8	45	.006330992
F1	91,441,236	0.9096	100,529,063	6	15	.037767160
Random Totals:	2,333,992,339		2,551,783,954	363	13,249
Catg D1 Exception Values:	38,563,123		38,998,795
Catg B Exception Values:	46,648,620		66,248,414
Total Test Values (4):	2,419,204,082		2,657,031,163

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	132,851,558

Confidence Interval Values (5)

Local Test Value:	2,419,204,082	(Outside Confidence Interval)
State Lower Limit:	2,524,179,605	(State Test Value minus Margin of Error Percent)
State Upper Limit:	2,789,882,721	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	2,620,506,284	(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