taxes Property Tax Assistance

2017 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 33,353,248 0.9628 34,641,928 14 752 .133200901
A 35,097,608 0.7706 45,545,819 16 424 .053341348
A 33,183,958 0.8520 38,948,308 15 263 .041112402
A 33,022,595 0.9708 34,015,858 17 155 .052265750
E 39,436,009 0.8293 47,553,369 19 840 .102537819
G1 7,885,714 1.0160 7,761,530 8 33 .006220007
G1 7,267,313 1.0003 7,265,133 3 5 .001640172
G1 7,903,751 0.9983 7,917,210 2 3 .002549632
Random Totals: 197,150,196   223,649,155 94 2,475  
Catg J Exception Values: 9,339,410   11,856,496      
Catg D1 Exception Values: 28,153,478   27,665,215      
Catg G1 Exception Values: 6,484,667   6,361,603      
Total Test Values (4): 241,127,751   269,532,469      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,476,623

Confidence Interval Values (5)

Local Test Value: 241,127,751 (Outside Confidence Interval)
State Lower Limit: 256,055,846 (State Test Value minus Margin of Error Percent)
State Upper Limit: 283,009,092 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 214,368,585 (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