taxes Property Tax Assistance

2018 Confidence Interval Detail

070/Ellis
070-903/Ennis ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	147,529,336	0.8387	175,902,392	14	2,207	.023518140
A	167,589,684	0.9397	178,343,816	24	1,439	.007965963
A	181,978,776	0.9503	191,496,134	55	1,083	.013677240
A	206,880,743	0.9633	214,762,528	31	720	.010004646
E	223,492,656	0.9607	232,635,220	22	1,880	.042822336
F1	62,909,457	0.6571	95,738,026	14	242	.236575156
F1	64,080,093	0.6833	93,780,321	12	61	.058667214
F1	85,511,530	0.6330	135,089,305	8	22	.096949234
F1	39,386,040	0.8294	47,487,388	2	2	.000000752
L1	25,519,484	1.0570	24,143,315	10	152	.092958903
L1	27,835,784	0.9473	29,384,339	9	34	.015906057
L1	23,797,580	0.9923	23,982,243	5	9	.017557516
L1	24,875,080	0.9486	26,222,939	2	4	.004801757
Random Totals:	1,281,386,243		1,468,967,966	208	7,855
Catg J Exception Values:	63,904,888		71,261,983
Catg D1 Exception Values:	19,532,811		11,389,612
Catg L1 Exception Values:	103,582,470		100,402,511
Total Test Values (4):	1,468,406,412		1,652,022,072

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	82,601,103

Confidence Interval Values (5)

Local Test Value:	1,468,406,412	(Outside Confidence Interval)
State Lower Limit:	1,569,420,969	(State Test Value minus Margin of Error Percent)
State Upper Limit:	1,734,623,175	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	2,026,787,741	(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