taxes Property Tax Assistance

2018 Confidence Interval Detail

229/Tyler
229-904/Warren ISD

Category Summary

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

Stratum
Variance
A 32,559,315 0.6553 49,686,121 16 750 .081631969
A 32,967,216 0.7747 42,554,816 16 400 .070032917
A 29,681,886 0.8338 35,598,328 16 236 .057251975
A 29,144,510 0.9201 31,675,372 17 138 .026357701
E 49,171,741 0.7393 66,511,215 19 980 .259667505
G1 7,072,959 1.0358 6,828,499 7 28 .001659456
G1 7,814,100 1.0032 7,789,175 4 6 .000173807
G1 8,340,562 0.9586 8,700,774 2 3 .000012171
Random Totals: 196,752,289   249,344,300 97 2,541  
Catg D1 Exception Values: 28,540,473   27,867,160      
Catg G1 Exception Values: 4,236,717   4,346,882      
Total Test Values (4): 229,529,479   281,558,342      

Margin of Error

Margin of Error Percent: 6.4928934
Margin of Error Value: 18,281,283

Confidence Interval Values (5)

Local Test Value: 229,529,479 (Outside Confidence Interval)
State Lower Limit: 263,277,059 (State Test Value minus Margin of Error Percent)
State Upper Limit: 299,839,625 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 213,900,746 (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