taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
140/Lamb
140-907/Springlake-Earth ISD

Category Summary

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

Stratum
Variance
A 3,163,028 0.8579 3,686,943 8 196 .021920681
A 3,251,560 0.8838 3,679,068 9 96 .004944324
A 3,364,530 0.8477 3,969,010 12 61 .005615940
A 4,352,270 0.8570 5,078,495 11 41 .021130198
E 7,560,011 0.8366 9,036,590 9 187 .044360048
Random Totals: 21,691,399   25,450,106 49 581  
Catg J Exception Values: 3,131,200   3,254,983      
Catg D1 Exception Values: 19,358,163   19,229,903      
Total Test Values (4): 44,180,762   47,934,992      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,396,749

Confidence Interval Values (5)

Local Test Value: 44,180,762 (Outside Confidence Interval)
State Lower Limit: 45,538,243 (State Test Value minus Margin of Error Percent)
State Upper Limit: 50,331,741 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,724,987 (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