taxes Property Tax Assistance

2017 Confidence Interval Detail

229/Tyler
229-906/Chester ISD

Category Summary

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

Stratum
Variance
A 3,871,219 0.8715 4,442,018 16 88 .097766023
A 4,149,072 0.8888 4,668,173 17 58 .033871499
A 3,144,953 0.9031 3,482,397 16 29 .007278890
A 3,709,254 0.9450 3,925,137 13 20 .017303811
E 11,922,673 0.9300 12,820,078 21 236 .046597774
Random Totals: 26,797,171   29,337,803 83 431  
Catg J Exception Values: 2,645,220   2,996,367      
Catg D1 Exception Values: 13,071,717   12,722,537      
Total Test Values (4): 42,514,108   45,056,707      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,252,835

Confidence Interval Values (5)

Local Test Value: 42,514,108 (Outside Confidence Interval)
State Lower Limit: 42,803,872 (State Test Value minus Margin of Error Percent)
State Upper Limit: 47,309,542 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 42,456,603 (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