taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
125/Jim Wells
125-901/Alice ISD

Category Summary

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

Stratum
Variance
A 92,995,410 0.8102 114,780,807 10 2,375 .109214524
A 93,881,272 0.9644 97,346,819 8 1,319 .004729876
A 93,516,281 0.9322 100,317,830 12 784 .014095376
A 98,778,792 0.9043 109,232,326 10 511 .018809455
E 161,002,632 0.8589 187,452,127 13 3,080 .092020698
F1 37,571,179 1.0253 36,644,084 10 339 .089229905
F1 38,949,529 0.9841 39,578,832 9 93 .085741043
F1 32,809,244 0.9400 34,903,451 7 27 .080225505
F1 38,163,551 0.9897 38,560,726 4 7 .003978670
L1 38,117,240 0.9810 38,855,494 10 389 .000224897
L1 37,991,532 1.0013 37,942,207 10 60 .003237202
L1 29,792,598 1.0205 29,194,119 5 9 .000879830
L1 15,936,318 0.9803 16,256,572 2 2 .000431933
Random Totals: 809,505,578   881,065,394 110 8,995  
Catg J Exception Values: 27,905,130   29,078,941      
Catg D1 Exception Values: 19,327,817   20,015,673      
Total Test Values (4): 856,738,525   930,160,008      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 46,508,000

Confidence Interval Values (5)

Local Test Value: 856,738,525 (Outside Confidence Interval)
State Lower Limit: 883,652,008 (State Test Value minus Margin of Error Percent)
State Upper Limit: 976,668,008 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,563,961,188 (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, D3, 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