taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
035/Castro
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
D2 2,439,380 0.9705 2,513,529 13 40 .006485406
E 2,519,560 0.9686 2,601,239 14 54 .023173316
Random Totals: 4,958,940   5,114,768 27 94  
Catg J Exception Values: 1,388,920   1,393,847      
Catg D1 Exception Values: 16,134,200   17,538,326      
Total Test Values (4): 22,482,060   24,046,941      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,202,347

Confidence Interval Values (5)

Local Test Value: 22,482,060 (Outside Confidence Interval)
State Lower Limit: 22,844,594 (State Test Value minus Margin of Error Percent)
State Upper Limit: 25,249,288 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 31,110,772 (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