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2009 Confidence Interval Detail
108/Hidalgo
108-915/Monte Alto ISD

Category Summary

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

Stratum
Variance
A 5,361,595 1.0282 5,214,545 13 225 .009144496
A 7,773,794 0.9968 7,798,750 14 208 .032862565
A 8,728,087 1.0323 8,454,991 13 160 .002871833
A 9,993,109 0.9573 10,438,848 13 94 .007528864
C 1,944,543 0.9783 1,987,676 10 184 .007167498
C 616,202 1.0183 605,128 6 27 .000548393
C 819,612 1.2049 680,232 8 29 .042260465
C 2,898,082 1.0292 2,815,859 10 58 .003537380
D3 12,610,805 1.0150 12,424,438 13 1,164 .004425348
Random Totals: 50,745,829   50,420,467 100 2,149  
Catg D1 Exception Values: 8,469,878   9,032,093      
Total Test Values (4): 59,215,707   59,452,560      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,972,628

Confidence Interval Values (5)

State Lower Limit: 56,479,932 (State Test Value minus Margin of Error Percent)
Local Test Value: 59,215,707 (Within Confidence Interval)
State Upper Limit: 62,425,188 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 72,156,020 (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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