taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 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 3,255,461 0.8806 3,696,867 15 205 .095134501
A 3,275,380 0.7365 4,447,223 15 96 .193738983
A 3,361,920 0.6743 4,985,793 15 59 .013122263
A 3,293,560 0.9174 3,590,102 15 30 .193785537
E 6,714,221 0.7139 9,404,988 15 188 .115097124
Random Totals: 19,900,542   26,124,973 75 578  
Catg D1 Exception Values: 19,798,643   20,265,451      
Total Test Values (4): 39,699,185   46,390,424      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,319,521

Confidence Interval Values (5)

Local Test Value: 39,699,185 (Outside Confidence Interval)
State Lower Limit: 44,070,903 (State Test Value minus Margin of Error Percent)
State Upper Limit: 48,709,945 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,567,094 (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