taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
178/Nueces
178-909/Robstown ISD

Category Summary

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

Stratum
Variance
A 50,112,200 0.9266 54,081,804 10 1,453 .012080901
A 64,165,114 0.9380 68,406,305 10 1,176 .013305677
A 60,556,427 1.0095 59,986,555 10 674 .018979856
A 62,844,451 1.0347 60,736,881 10 395 .014191062
F1 14,597,889 1.0197 14,315,866 9 174 .020815983
F1 17,166,180 0.9322 18,414,696 8 63 .063657558
F1 17,271,311 1.0184 16,959,261 8 26 .082576288
F1 24,410,788 1.1232 21,733,251 5 16 .069620621
L1 18,729,202 1.0271 18,235,033 9 62 .050575420
L1 21,610,117 1.0270 21,041,983 5 12 .005369956
L1 30,308,427 1.0335 29,326,006 4 8 .000410487
Random Totals: 381,772,106   383,237,641 88 4,059  
Catg J Exception Values: 8,504,170   8,820,350      
Catg D1 Exception Values: 15,836,998   17,337,904      
Catg L1 Exception Values: 99,417,897   104,119,534      
Total Test Values (4): 505,531,171   513,515,429      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,675,771

Confidence Interval Values (5)

State Lower Limit: 487,839,658 (State Test Value minus Margin of Error Percent)
Local Test Value: 505,531,171 (Within Confidence Interval)
State Upper Limit: 539,191,200 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 512,607,689 (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