taxes Property Tax Assistance

2017 Confidence Interval Detail

220/Tarrant
220-910/Lake Worth ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	86,564,204	0.9185	94,245,187	15	1,168	.014855643
A	55,994,240	0.9614	58,242,397	12	496	.020944111
A	88,456,379	0.9487	93,239,569	31	615	.003850151
A	135,956,678	1.0227	132,938,964	34	710	.013031359
B	23,967,699	0.9365	25,592,845	6	17	.086854793
F1	73,678,013	0.9416	78,247,677	11	104	.017198288
F1	73,928,728	0.9140	80,884,823	9	37	.019448804
F1	67,258,854	0.8793	76,491,361	8	15	.027365271
F1	118,111,844	0.9226	128,020,642	4	10	.001032308
L1	21,666,408	1.2102	17,903,163	14	179	.096213272
L1	27,450,477	1.0787	25,447,740	10	42	.036843355
L1	18,012,205	0.9751	18,472,162	5	8	.002989848
L1	19,118,165	1.0560	18,104,323	3	3	.009268519
Random Totals:	810,163,894		847,830,853	162	3,404
Catg D1 Exception Values:	58,656		21,984
Catg B Exception Values:	57,498,780		64,069,440
Total Test Values (4):	867,721,330		911,922,277

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	45,596,113

Confidence Interval Values (5)

State Lower Limit:	866,326,164	(State Test Value minus Margin of Error Percent)
Local Test Value:	867,721,330	(Within Confidence Interval)
State Upper Limit:	957,518,390	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	890,513,038	(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