taxes Property Tax Assistance

2017 Confidence Interval Detail

212/Smith
212-901/Arp ISD

Category Summary

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

Stratum
Variance
A 57,006,551 0.9680 58,891,065 14 666 .007789900
A 56,990,871 1.0211 55,813,212 14 271 .007659273
A 62,569,633 0.9613 65,088,560 7 188 .010395732
A 62,896,087 1.0141 62,021,583 8 99 .002818857
E 75,790,331 1.0702 70,818,848 15 958 .049327700
G1 7,440,328 1.1002 6,762,705 9 177 .065046337
G1 7,557,413 1.0721 7,049,168 9 67 .064321015
G1 8,200,295 1.0040 8,167,625 6 13 .001044324
Random Totals: 338,451,509   334,612,766 82 2,439  
Catg J Exception Values: 7,443,593   7,247,204      
Catg D1 Exception Values: 5,604,579   4,813,962      
Catg G1 Exception Values: 6,499,177   6,556,830      
Total Test Values (4): 357,998,858   353,230,762      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,661,538

Confidence Interval Values (5)

State Lower Limit: 335,569,224 (State Test Value minus Margin of Error Percent)
Local Test Value: 357,998,858 (Within Confidence Interval)
State Upper Limit: 370,892,300 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 348,916,056 (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