taxes Property Tax Assistance

2018 Confidence Interval Detail

019/Bowie
019-907/Texarkana ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	195,312,497	0.9555	204,408,683	39	3,365	.035122230
A	192,798,666	0.9650	199,791,364	48	1,792	.023242890
A	201,576,950	0.9790	205,900,868	54	1,337	.008934381
A	219,120,397	1.0148	215,924,711	31	791	.014795639
F1	159,206,186	0.8950	177,884,007	14	531	.027577624
F1	163,571,441	0.9225	177,313,215	14	155	.025661532
F1	168,955,582	0.9122	185,217,696	12	65	.053456669
F1	172,948,844	0.9422	183,558,527	9	27	.016025185
L1	57,914,046	0.8848	65,454,392	10	509	.030443413
L1	54,073,346	0.9464	57,135,826	9	117	.012983882
L1	51,718,379	0.9824	52,644,930	8	40	.011442435
L1	58,722,341	0.9857	59,574,253	5	11	.005769271
Random Totals:	1,695,918,675		1,784,808,472	253	8,740
Catg D1 Exception Values:	1,174,210		945,806
Total Test Values (4):	1,697,092,885		1,785,754,278

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	89,287,713

Confidence Interval Values (5)

State Lower Limit:	1,696,466,565	(State Test Value minus Margin of Error Percent)
Local Test Value:	1,697,092,885	(Within Confidence Interval)
State Upper Limit:	1,875,041,991	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	2,007,912,293	(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