taxes Property Tax Assistance

2017 Confidence Interval Detail

125/Jim Wells
125-905/Premont ISD

Category Summary

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

Stratum
Variance
A 10,659,994 0.8555 12,460,542 16 336 .027826216
A 10,573,162 0.9161 11,541,493 14 196 .013651018
A 10,470,309 0.8707 12,025,163 17 141 .024015247
A 9,764,727 0.9176 10,641,594 14 81 .026201245
E 24,098,570 0.8004 30,108,158 20 528 .069363171
Random Totals: 65,566,762   76,776,950 81 1,282  
Catg J Exception Values: 10,625,800   10,728,503      
Catg D1 Exception Values: 6,560,395   7,240,777      
Total Test Values (4): 82,752,957   94,746,230      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,737,311

Confidence Interval Values (5)

Local Test Value: 82,752,957 (Outside Confidence Interval)
State Lower Limit: 90,008,919 (State Test Value minus Margin of Error Percent)
State Upper Limit: 99,483,541 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 131,042,741 (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