taxes Property Tax Assistance

2018 Confidence Interval Detail

109/Hill
109-911/Whitney ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	99,345,631	1.0028	99,068,240	86	1,648	.273670924
A	112,139,972	1.0140	110,591,688	69	875	.036155871
A	107,615,200	0.9824	109,543,160	37	521	.025745165
A	106,641,870	1.1854	89,962,772	24	286	.268234361
C1	13,908,796	0.7328	18,980,344	29	3,033	1.328564121
C1	12,798,760	0.8066	15,867,543	23	1,603	.343776242
C1	14,655,250	1.0719	13,672,218	22	784	.117711283
C1	11,234,690	1.1525	9,748,104	17	237	.370011609
E	94,570,442	0.9313	101,546,700	27	980	.222337617
F1	19,116,990	0.9406	20,324,250	15	163	.014659726
F1	16,385,790	0.8288	19,770,500	14	47	.107541974
F1	24,574,080	0.8587	28,617,771	11	33	.122063489
F1	13,297,950	0.9842	13,511,431	6	6	.000943541
Random Totals:	646,285,421		651,204,721	380	10,216
Catg D1 Exception Values:	4,109,899		3,212,457
Total Test Values (4):	650,395,320		654,417,178

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	32,720,858

Confidence Interval Values (5)

State Lower Limit:	621,696,320	(State Test Value minus Margin of Error Percent)
Local Test Value:	650,395,320	(Within Confidence Interval)
State Upper Limit:	687,138,036	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	616,888,876	(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