taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 114,226,886 1.0044 113,726,489 42 844 .006280280
A 113,763,799 1.0190 111,642,590 26 582 .004747389
A 116,471,440 1.0085 115,489,777 35 426 .003727360
A 110,242,990 0.9727 113,337,093 14 225 .006558457
Random Totals: 454,705,115   454,195,949 117 2,077  
Catg D1 Exception Values: 209,272   220,143      
Total Test Values (4): 454,914,387   454,416,092      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 22,720,804

Confidence Interval Values (5)

State Lower Limit: 431,695,288 (State Test Value minus Margin of Error Percent)
Local Test Value: 454,914,387 (Within Confidence Interval)
State Upper Limit: 477,136,896 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 505,828,818 (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