taxes Property Tax Assistance

2017 Confidence Interval Detail

109/Hill
109-913/Blum ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 3,589,580 0.9013 3,982,669 9 102 .014491913
A 5,333,610 1.0504 5,077,694 7 90 .010754117
A 4,993,390 0.9593 5,205,243 8 55 .092539192
A 5,549,100 1.0017 5,539,683 7 34 .094972938
E 48,330,370 0.9904 48,798,839 12 607 .030614521
L1 1,714,060 1.0570 1,621,627 5 5 .008054717
Random Totals: 69,510,110   70,225,755 48 893  
Catg J Exception Values: 7,128,272   9,670,821      
Catg D1 Exception Values: 5,302,872   4,963,517      
Catg L1 Exception Values: 12,739,570   12,417,548      
Total Test Values (4): 94,680,824   97,277,641      

Margin of Error

Margin of Error Percent: 5.3269199
Margin of Error Value: 5,181,902

Confidence Interval Values (5)

State Lower Limit: 92,095,739 (State Test Value minus Margin of Error Percent)
Local Test Value: 94,680,824 (Within Confidence Interval)
State Upper Limit: 102,459,543 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 139,732,601 (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