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 0.9047 3,598,387 15 205 .101461759
A 3,275,380 0.7763 4,219,219 15 96 .182018827
A 3,361,920 0.6899 4,873,054 15 59 .016979008
A 3,293,560 0.9221 3,571,803 15 30 .185464295
E 6,714,221 0.7266 9,240,601 15 188 .117325772
Random Totals: 19,900,542   25,503,064 75 578  
Catg D1 Exception Values: 19,798,643   20,265,451      
Total Test Values (4): 39,699,185   45,768,515      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,288,425

Confidence Interval Values (5)

Local Test Value: 39,699,185 (Outside Confidence Interval)
State Lower Limit: 43,480,090 (State Test Value minus Margin of Error Percent)
State Upper Limit: 48,056,940 (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