taxes Property Tax Assistance

2018 Confidence Interval Detail

025/Brown
025-905/May ISD

Category Summary

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

Stratum
Variance
A 20,420,270 0.8549 23,886,150 18 600 .047791666
A 19,326,500 1.0277 18,805,585 19 203 .105591184
A 20,218,310 0.9563 21,142,225 18 64 .089717508
A 17,663,410 0.9897 17,847,237 16 23 .042020871
E 52,934,931 0.9392 56,361,724 17 688 .046453091
Random Totals: 130,563,421   138,042,921 88 1,578  
Catg J Exception Values: 2,196,980   2,658,375      
Catg D1 Exception Values: 10,282,481   8,073,125      
Total Test Values (4): 143,042,882   148,774,421      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,438,721

Confidence Interval Values (5)

State Lower Limit: 141,335,700 (State Test Value minus Margin of Error Percent)
Local Test Value: 143,042,882 (Within Confidence Interval)
State Upper Limit: 156,213,142 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 157,654,193 (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