taxes Property Tax Assistance

2018 Confidence Interval Detail

025/Brown
025-906/Zephyr ISD

Category Summary

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

Stratum
Variance
A 1,844,810 0.9777 1,886,888 9 47 .120680605
A 1,725,890 0.9360 1,843,900 8 26 .059803861
A 1,749,820 0.8595 2,035,858 8 19 .027078887
A 1,288,130 1.0196 1,263,368 5 8 .023876434
E 25,406,039 0.8081 31,439,227 22 309 .062096984
L1 1,591,360 0.9541 1,667,917 10 39 .010341010
Random Totals: 33,606,049   40,137,158 62 448  
Catg J Exception Values: 9,453,580   10,176,911      
Catg D1 Exception Values: 3,524,940   2,705,439      
Catg L1 Exception Values: 2,845,540   3,015,258      
Total Test Values (4): 49,430,109   56,034,766      

Margin of Error

Margin of Error Percent: 5.8222104
Margin of Error Value: 3,262,462

Confidence Interval Values (5)

Local Test Value: 49,430,109 (Outside Confidence Interval)
State Lower Limit: 52,772,304 (State Test Value minus Margin of Error Percent)
State Upper Limit: 59,297,228 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,385,473 (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