taxes Property Tax Assistance

2018 Confidence Interval Detail

237/Waller
237-902/Hempstead ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	50,120,233	0.8020	62,494,056	10	800	.043398716
A	57,650,951	0.9724	59,287,280	15	483	.046999315
A	54,369,800	0.8852	61,420,922	10	289	.039594587
A	57,163,256	0.9840	58,092,740	9	175	.019578925
E	234,757,786	0.9153	256,481,794	22	1,346	.084783106
F1	18,510,810	0.9486	19,513,820	10	133	.021748472
F1	20,397,020	0.9249	22,053,217	8	53	.010153709
F1	19,216,200	0.9457	20,319,552	7	21	.010653277
F1	16,414,110	0.9057	18,123,120	5	6	.133028437
L1	9,823,590	0.9640	10,190,446	11	127	.027597857
L1	9,059,560	0.9617	9,420,360	6	14	.018052547
Random Totals:	547,483,316		597,397,307	113	3,447
Catg D1 Exception Values:	10,661,704		9,219,585
Catg L1 Exception Values:	15,846,400		15,653,132
Total Test Values (4):	573,991,420		622,270,024

Margin of Error

Margin of Error Percent:	5.5266782
Margin of Error Value:	34,390,862

Confidence Interval Values (5)

Local Test Value:	573,991,420	(Outside Confidence Interval)
State Lower Limit:	587,879,162	(State Test Value minus Margin of Error Percent)
State Upper Limit:	656,660,886	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	586,266,432	(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