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2009 Confidence Interval Detail
113/Houston
113-905/Latexo ISD

Category Summary

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

Stratum
Variance
A 13,061,160 0.8928 14,629,435 12 277 .027526022
A 13,046,540 1.0078 12,945,565 14 135 .013431499
A 13,192,130 0.9739 13,545,672 8 85 .023897920
A 17,158,990 1.0122 16,952,173 9 61 .018946761
D3 32,592,940 0.9494 34,330,040 20 1,665 .021907488
Random Totals: 89,051,760   92,402,885 63 2,223  
Catg J Exception Values: 5,779,313   5,629,837      
Catg D1 Exception Values: 8,553,230   8,891,851      
Total Test Values (4): 103,384,303   106,924,573      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 5,346,229

Confidence Interval Values (5)

State Lower Limit: 101,578,344 (State Test Value minus Margin of Error Percent)
Local Test Value: 103,384,303 (Within Confidence Interval)
State Upper Limit: 112,270,802 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 142,282,734 (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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