taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 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 1,128,870 0.9505 1,187,659 10 41 .015393001
A 1,473,010 0.8889 1,657,116 11 29 .032818013
A 1,711,130 0.9030 1,894,939 10 24 .025966625
A 1,943,840 0.9549 2,035,648 10 16 .007485269
E 21,678,909 0.9430 22,989,299 13 303 .009455581
Random Totals: 27,935,759   29,764,661 54 413  
Catg J Exception Values: 8,243,300   8,244,922      
Catg D1 Exception Values: 3,216,083   3,144,469      
Total Test Values (4): 39,395,142   41,154,052      

Margin of Error

Margin of Error Percent: 5.0000010
Margin of Error Value: 2,057,703

Confidence Interval Values (5)

State Lower Limit: 39,096,349 (State Test Value minus Margin of Error Percent)
Local Test Value: 39,395,142 (Within Confidence Interval)
State Upper Limit: 43,211,755 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,505,838 (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, D3, 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