taxes Property Tax Assistance

2017 Confidence Interval Detail

220/Tarrant
220-920/White Settlement ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	233,746,442	0.9569	244,274,681	43	2,620	.015473212
A	353,058,673	0.9508	371,328,011	43	2,747	.004889696
A	376,904,203	0.9699	388,601,096	48	2,229	.006928526
A	386,930,576	0.9785	395,432,372	49	1,454	.008652903
B	42,014,199	0.8004	52,491,503	10	233	.033704064
F1	57,215,571	0.8957	63,878,052	9	120	.015697956
F1	56,805,997	0.9686	58,647,529	9	38	.016586471
F1	74,908,251	0.9052	82,753,260	8	25	.008319397
F1	80,798,420	0.8625	93,679,328	5	11	.008286485
Random Totals:	1,662,382,332		1,751,085,832	224	9,477
Catg D1 Exception Values:	522,461		152,231
Catg B Exception Values:	150,430,703		154,635,394
Total Test Values (4):	1,813,335,496		1,905,873,457

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	95,293,672

Confidence Interval Values (5)

State Lower Limit:	1,810,579,785	(State Test Value minus Margin of Error Percent)
Local Test Value:	1,813,335,496	(Within Confidence Interval)
State Upper Limit:	2,001,167,129	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	1,805,429,215	(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