taxes Property Tax Assistance

2018 Confidence Interval Detail

145/Leon
145-902/Centerville ISD

Category Summary

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

Stratum
Variance
A 10,082,570 0.7726 13,050,181 13 247 .103446938
A 10,949,910 0.7492 14,615,470 13 135 .028281608
A 10,324,670 0.8292 12,451,363 12 84 .032018348
A 10,486,330 0.9664 10,850,921 11 54 .020112591
E 172,360,710 0.7421 232,260,760 30 2,398 .041784129
G1 5,862,060 0.9581 6,118,422 8 52 .010934194
G1 5,875,540 1.0041 5,851,549 6 13 .000298911
G1 5,703,050 0.9924 5,746,725 4 7 .001477544
Random Totals: 231,644,840   300,945,391 97 2,990  
Catg J Exception Values: 11,955,490   13,477,078      
Catg D1 Exception Values: 14,387,020   13,003,643      
Catg G1 Exception Values: 4,988,399   5,009,434      
Total Test Values (4): 262,975,749   332,435,546      

Margin of Error

Margin of Error Percent: 5.2214473
Margin of Error Value: 17,357,947

Confidence Interval Values (5)

Local Test Value: 262,975,749 (Outside Confidence Interval)
State Lower Limit: 315,077,599 (State Test Value minus Margin of Error Percent)
State Upper Limit: 349,793,493 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 356,854,334 (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