taxes Property Tax Assistance

2017 Confidence Interval Detail

188/Potter
188-901/Amarillo ISD

Category Summary

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

Stratum
Variance
A 1,415,977,787 0.9826 1,441,052,093 248 19,114 .036735788
A 1,510,356,375 0.9828 1,536,789,148 250 11,816 .012588900
A 1,660,540,612 0.9941 1,670,395,948 250 8,990 .015930885
A 1,690,327,418 0.9510 1,777,421,049 251 4,480 .042749771
B 96,811,165 0.8834 109,589,274 24 810 .027725204
B 98,254,008 0.5741 171,144,414 9 64 .297451540
B 95,663,401 0.7087 134,984,339 7 18 .122529566
B 100,169,816 0.9707 103,193,382 5 10 .010471927
F1 404,189,692 0.8764 461,193,168 15 1,822 .037948094
F1 414,950,727 0.9292 446,567,722 15 447 .052452489
F1 399,625,145 0.9200 434,375,158 14 147 .119133863
F1 405,837,129 0.9719 417,570,870 10 35 .014229601
L1 215,867,416 1.0129 213,118,191 10 1,686 .000903076
L1 229,476,440 1.0092 227,384,503 10 346 .001189336
L1 216,723,756 1.0047 215,709,919 11 94 .001239211
L1 179,708,538 0.9942 180,756,928 7 20 .001100504
Random Totals: 9,134,479,425   9,541,246,106 1,136 49,899  
Catg J Exception Values: 140,415,820   157,707,158      
Catg D1 Exception Values: 488,540   436,597      
Total Test Values (4): 9,275,383,785   9,699,389,861      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 484,969,493

Confidence Interval Values (5)

State Lower Limit: 9,214,420,368 (State Test Value minus Margin of Error Percent)
Local Test Value: 9,275,383,785 (Within Confidence Interval)
State Upper Limit: 10,184,359,354 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,610,347,961 (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