taxes School and Appraisal Districts Property Value Study 2011 Report

School and Appraisal Districts Property Value Study 2011 Report

2011 Confidence Interval Detail
115/Hudspeth
115-902/Sierra Blanca ISD

Category Summary

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

Stratum
Variance
A 1,352,183 0.9130 1,481,033 11 83 .042459933
A 1,740,696 0.9877 1,762,373 11 58 .095851192
A 1,414,850 0.9692 1,459,812 12 30 .023773547
A 1,596,817 1.0943 1,459,213 11 19 .009723878
C 1,326,324 1.0990 1,206,846 10 2,168 .014688758
C 1,466,305 1.0992 1,333,975 12 964 .045936203
C 1,191,789 0.8813 1,352,308 13 495 .175320182
C 1,186,918 0.8341 1,422,992 9 160 .106307725
D3 11,974,067 0.9301 12,873,957 9 1,955 .068401652
Random Totals: 23,249,949   24,352,509 98 5,932  
Catg J Exception Values: 25,829,745   32,255,798      
Catg D1 Exception Values: 989,110   1,621,804      
Total Test Values (4): 50,068,804   58,230,111      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,911,506

Confidence Interval Values (5)

Local Test Value: 50,068,804 (Outside Confidence Interval)
State Lower Limit: 55,318,605 (State Test Value minus Margin of Error Percent)
State Upper Limit: 61,141,617 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 80,199,254 (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