taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
092/Gregg
092-907/Spring Hill ISD

Category Summary

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

Stratum
Variance
A 102,773,555 0.9863 104,201,110 16 786 .015571607
A 106,875,590 1.0164 105,151,112 19 571 .001704451
A 109,608,030 0.9686 113,161,295 12 425 .003042179
A 116,080,040 0.9655 120,227,903 11 256 .001533746
Random Totals: 435,337,215   442,741,420 58 2,038  
Catg D1 Exception Values: 228,693   157,657      
Total Test Values (4): 435,565,908   442,899,077      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 22,144,954

Confidence Interval Values (5)

State Lower Limit: 420,754,123 (State Test Value minus Margin of Error Percent)
Local Test Value: 435,565,908 (Within Confidence Interval)
State Upper Limit: 465,044,031 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 497,176,860 (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