taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
156/Martin
156-902/Stanton ISD

Category Summary

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

Stratum
Variance
G1 436,921,501 1.0600 412,190,095 15 276 .036762772
G1 434,339,372 1.0256 423,497,828 15 85 .037315326
G1 449,867,721 0.9832 457,554,639 15 22 .005317929
Random Totals: 1,321,128,594   1,293,242,562 45 383  
Catg D1 Exception Values: 12,437,990   8,994,744      
Catg G1 Exception Values: 415,809,855   433,852,999      
Total Test Values (4): 1,749,376,439   1,736,090,305      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 86,804,515

Confidence Interval Values (5)

State Lower Limit: 1,649,285,790 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,749,376,439 (Within Confidence Interval)
State Upper Limit: 1,822,894,820 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,328,026,126 (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