taxes Property Tax Assistance

2017 Confidence Interval Detail

209/Shackelford
127-905/Lueders-Avoca ISD

Category Summary

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

Stratum
Variance
E 3,689,786 1.0048 3,672,160 19 89 .027530892
G1 519,091 0.9777 530,931 15 27 .010797852
L1 3,334,769 1.1803 2,825,357 3 6 .000087460
Random Totals: 7,543,646   7,028,448 37 122  
Catg J Exception Values: 877,668   875,217      
Catg D1 Exception Values: 4,670,021   4,544,578      
Catg G1 Exception Values: 1,429,670   1,408,573      
Total Test Values (4): 14,521,005   13,856,816      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 692,840

Confidence Interval Values (5)

State Lower Limit: 13,163,976 (State Test Value minus Margin of Error Percent)
Local Test Value: 14,521,005 (Within Confidence Interval)
State Upper Limit: 14,549,656 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 19,271,590 (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