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2008 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 1,093,557 1.0208 1,071,274 10 67 .131395925
A 1,228,403 1.2029 1,021,201 12 41 .018170196
A 1,105,805 1.0836 1,020,492 10 23 .009706337
A 1,261,231 1.1398 1,106,537 8 15 .019459854
C 1,302,100 0.8378 1,554,190 15 1,906 .199087803
C 1,298,314 1.0931 1,187,736 16 857 .028069393
C 1,300,583 1.1934 1,089,813 15 511 .123715059
C 1,295,719 1.2087 1,071,994 18 180 .128575976
D3 19,381,570 1.0337 18,749,705 21 7,036 .044287976
Random Totals: 29,267,282   27,872,942 125 10,636  
Catg J Exception Values: 17,303,640   17,536,046      
Catg D1 Exception Values: 1,085,183   2,320,055      
Total Test Values (4): 47,656,105   47,729,043      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,386,452

Confidence Interval Values (5)

State Lower Limit: 45,342,591 (State Test Value minus Margin of Error Percent)
Local Test Value: 47,656,105 (Within Confidence Interval)
State Upper Limit: 50,115,495 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 71,219,380 (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

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