taxes Property Tax Assistance

2018 Confidence Interval Detail

003/Angelina
003-903/Lufkin ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	298,336,886	0.9730	306,615,505	59	4,786	.039645938
A	308,818,310	1.0093	305,972,763	85	2,723	.018907790
A	347,030,405	1.0177	340,994,797	110	2,022	.011565781
A	361,646,600	1.0200	354,555,490	57	1,102	.008056020
F1	115,169,898	0.8027	143,478,134	15	536	.193076957
F1	113,829,387	0.8313	136,929,372	9	146	.038474640
F1	121,615,700	0.7791	156,097,677	9	57	.036656863
F1	97,514,480	0.9820	99,301,914	6	10	.017954632
L1	57,271,920	0.8249	69,428,925	12	531	.062898582
L1	64,250,920	1.0257	62,641,045	11	122	.053727088
L1	63,716,140	0.9511	66,992,051	10	39	.003865277
L1	60,211,700	0.9483	63,494,358	5	8	.001898595
Random Totals:	2,009,412,346		2,106,502,031	388	12,082
Catg D1 Exception Values:	11,862,617		10,857,872
Total Test Values (4):	2,021,274,963		2,117,359,903

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	105,867,995

Confidence Interval Values (5)

State Lower Limit:	2,011,491,908	(State Test Value minus Margin of Error Percent)
Local Test Value:	2,021,274,963	(Within Confidence Interval)
State Upper Limit:	2,223,227,898	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	2,326,141,363	(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