taxes Property Tax Assistance

2017 Confidence Interval Detail

101/Harris
101-905/Channelview ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	182,411,731	0.9276	196,649,128	25	2,125	.016568647
A	271,385,482	0.9389	289,046,205	57	2,337	.009789734
A	270,355,703	0.9720	278,143,727	53	1,855	.004926669
A	394,798,479	1.0176	387,970,203	54	2,077	.012492536
F1	74,044,764	0.9376	78,972,658	9	295	.030232087
F1	77,140,811	0.8677	88,902,629	8	105	.007890804
F1	93,336,899	0.9432	98,957,696	7	46	.012935111
F1	68,650,231	0.8913	77,022,586	5	12	.015895213
L1	32,967,219	0.9031	36,504,506	10	75	.025689450
L1	54,072,456	0.8588	62,962,804	10	29	.076456754
L1	20,363,281	0.7422	27,436,380	3	2	.033429680
Random Totals:	1,539,527,056		1,622,568,522	241	8,958
Catg D1 Exception Values:	24,300		29,861
Catg L1 Exception Values:	920,502,735		930,338,591
Total Test Values (4):	2,460,054,091		2,552,936,974

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	127,646,848

Confidence Interval Values (5)

State Lower Limit:	2,425,290,126	(State Test Value minus Margin of Error Percent)
Local Test Value:	2,460,054,091	(Within Confidence Interval)
State Upper Limit:	2,680,583,822	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	2,996,821,534	(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