taxes Property Tax Assistance

2017 Confidence Interval Detail

084/Galveston
084-908/Hitchcock ISD

Category Summary

(1) Category	(1) Local Value	(1) Stratum Ratio	(1) State Value	(2) Sample Size	(3) Total Parcels	Stratum Variance
A	127,604,286	0.9342	136,592,042	17	1,585	.030604827
A	143,451,275	0.9779	146,693,195	49	803	.010552178
A	119,300,256	0.9632	123,858,239	13	311	.021215331
A	142,641,971	0.9395	151,827,537	11	188	.013759895
C1	13,746,417	0.9280	14,812,949	8	1,144	.036918860
C1	12,552,440	0.9798	12,811,227	8	187	.008518857
C1	10,615,250	0.9988	10,628,004	7	102	.001111041
C1	11,771,800	1.0091	11,665,643	7	51	.000572030
F1	12,777,427	1.0785	11,847,406	9	88	.020142912
F1	13,020,919	0.9189	14,170,115	7	31	.027557802
F1	15,100,150	1.0150	14,876,995	6	11	.008951607
F1	15,926,770	0.9786	16,275,056	3	5	.015733692
Random Totals:	638,508,961		666,058,408	145	4,506
Catg D1 Exception Values:	1,458,741		1,242,910
Total Test Values (4):	639,967,702		667,301,318

Margin of Error

Margin of Error Percent:	5.0000000
Margin of Error Value:	33,365,065

Confidence Interval Values (5)

State Lower Limit:	633,936,253	(State Test Value minus Margin of Error Percent)
Local Test Value:	639,967,702	(Within Confidence Interval)
State Upper Limit:	700,666,383	(State Test Value plus Margin of Error Percent)
Value Assigned (6):	651,442,145	(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