taxes Property Tax Assistance

2018 Confidence Interval Detail

237/Waller
237-904/Waller ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	157,719,061	0.7510	210,012,065	45	1,841	.063041286
A	161,100,639	0.8539	188,664,526	42	1,009	.022780092
A	177,021,902	0.8849	200,047,352	29	768	.016917306
A	212,041,751	0.9626	220,280,232	19	517	.012528871
E	536,748,078	0.9163	585,777,669	46	2,734	.059241200
F1	33,345,815	0.9487	35,148,956	16	160	.102620983
F1	31,005,533	0.8752	35,426,797	8	40	.014431416
F1	37,344,870	0.8684	43,004,226	5	14	.008822966
L1	26,178,110	0.9245	28,315,965	10	130	.141081367
L1	23,248,810	0.8968	25,924,186	8	23	.058759080
L1	26,018,900	0.9033	28,804,273	6	9	.113860450
Random Totals:	1,421,773,469		1,601,406,247	234	7,245
Catg D1 Exception Values:	14,119,079		12,034,349
Catg F1 Exception Values:	28,250,700		28,265,274
Catg L1 Exception Values:	26,870,220		26,734,976
Total Test Values (4):	1,491,013,468		1,668,440,846

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	83,422,042

Confidence Interval Values (5)

Local Test Value:	1,491,013,468	(Outside Confidence Interval)
State Lower Limit:	1,585,018,804	(State Test Value minus Margin of Error Percent)
State Upper Limit:	1,751,862,888	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	1,652,693,243	(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