taxes Property Tax Assistance

2018 Confidence Interval Detail

217/Stonewall
217-901/Aspermont ISD

Category Summary

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

Stratum
Variance
A 3,015,270 0.7505 4,017,682 9 168 .016054768
A 3,051,810 0.7538 4,048,567 9 95 .019538225
A 4,283,430 0.7682 5,575,931 10 94 .023648943
A 3,854,850 0.8229 4,684,470 8 45 .018368545
E 15,323,410 0.8315 18,428,635 20 609 .020365537
G1 13,247,630 0.9875 13,415,322 13 49 .002742878
G1 14,478,450 1.0261 14,110,174 7 13 .007772317
Random Totals: 57,254,850   64,280,781 76 1,073  
Catg J Exception Values: 719,430   900,866      
Catg D1 Exception Values: 25,684,740   17,638,632      
Catg G1 Exception Values: 45,483,515   44,479,588      
Total Test Values (4): 129,142,535   127,299,867      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,364,993

Confidence Interval Values (5)

State Lower Limit: 120,934,874 (State Test Value minus Margin of Error Percent)
Local Test Value: 129,142,535 (Within Confidence Interval)
State Upper Limit: 133,664,860 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 166,900,580 (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