taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
210/Shelby
210-904/Tenaha ISD

Category Summary

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

Stratum
Variance
A 4,068,080 0.7675 5,300,430 7 156 .024004220
A 4,317,060 0.9789 4,410,113 8 86 .021023402
A 3,998,600 0.9013 4,436,481 8 51 .020120955
A 5,080,980 1.0151 5,005,398 8 37 .024151639
E 20,067,833 1.0241 19,595,580 12 359 .155258925
F1 1,389,440 0.9678 1,435,669 8 42 .001483695
F1 1,669,750 0.8926 1,870,659 7 22 .042335247
F1 1,588,630 0.9044 1,756,557 4 8 .004036759
F1 879,000 0.8253 1,065,067 3 3 .078075829
Random Totals: 43,059,373   44,875,954 65 764  
Catg J Exception Values: 6,405,210   6,491,182      
Catg D1 Exception Values: 5,346,618   5,344,779      
Total Test Values (4): 54,811,201   56,711,915      

Margin of Error

Margin of Error Percent: 7.9312663
Margin of Error Value: 4,497,973

Confidence Interval Values (5)

State Lower Limit: 52,213,942 (State Test Value minus Margin of Error Percent)
Local Test Value: 54,811,201 (Within Confidence Interval)
State Upper Limit: 61,209,888 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 97,623,060 (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