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2007 Confidence Interval Detail
133/Kerr
133-904/Ingram ISD

Category Summary

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

Stratum
Variance
A 50,057,972 0.8865 56,466,973 14 711 .041779435
A 50,000,132 0.9205 54,318,449 12 345 .028753704
A 50,086,336 0.9648 51,913,698 16 269 .005658513
A 49,866,149 0.9766 51,060,976 21 163 .008928971
D3 113,924,015 0.9619 118,436,443 16 2,433 .169713417
F1 10,658,940 0.9369 11,376,817 12 103 .014658965
F1 10,684,212 1.0298 10,375,036 11 47 .028540309
F1 10,982,308 0.9092 12,079,089 9 25 .009750407
F1 9,940,227 0.9186 10,821,061 5 8 .017580885
Random Totals: 356,200,291   376,848,542 116 4,104  
Catg D1 Exception Values: 6,670,247   6,728,389      
Total Test Values (4): 362,870,538   383,576,931      

Margin of Error

Margin of Error Percent: 6.6590934
Margin of Error Value: 25,542,746

Confidence Interval Values (5)

State Lower Limit: 358,034,185 (State Test Value minus Margin of Error Percent)
Local Test Value: 362,870,538 (Within Confidence Interval)
State Upper Limit: 409,119,677 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 364,456,017 (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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