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 0.8084 13,186,534 16 336 .041239718
A 10,573,162 0.7947 13,304,595 16 196 .075709321
A 10,470,309 0.8310 12,599,650 17 141 .032509257
A 9,764,727 0.9176 10,641,594 14 81 .026201245
E 24,098,570 0.7938 30,358,491 20 528 .071138357
Random Totals: 65,566,762   80,090,864 83 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   98,060,144      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,903,007

Confidence Interval Values (5)

Local Test Value: 82,752,957 (Outside Confidence Interval)
State Lower Limit: 93,157,137 (State Test Value minus Margin of Error Percent)
State Upper Limit: 102,963,151 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 133,016,506 (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