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2011 Confidence Interval Detail
212/Smith
092-901/Gladewater ISD

Category Summary

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

Stratum
Variance
A 8,977,830 0.9790 9,170,409 9 205 .013467723
A 8,678,325 1.0654 8,145,603 7 102 .005757974
A 8,612,742 1.0065 8,557,121 7 66 .012470415
A 9,239,944 0.9880 9,352,170 7 47 .005318388
D3 33,388,249 0.9310 35,862,781 18 1,592 .066752984
G1 4,171,219 0.9760 4,273,790 8 19 .014874017
L1 5,739,490 0.8220 6,982,348 9 40 .003417397
Random Totals: 78,807,799   82,344,222 65 2,071  
Catg D1 Exception Values: 4,113,799   3,706,688      
Catg G1 Exception Values: 1,405,006   1,375,570      
Total Test Values (4): 84,326,604   87,426,480      

Margin of Error

Margin of Error Percent: 5.1629998
Margin of Error Value: 4,513,829

Confidence Interval Values (5)

State Lower Limit: 82,912,651 (State Test Value minus Margin of Error Percent)
Local Test Value: 84,326,604 (Within Confidence Interval)
State Upper Limit: 91,940,309 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 76,428,965 (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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