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2007 Confidence Interval Detail
156/Martin
156-902/Stanton ISD

Category Summary

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

Stratum
Variance
A 7,256,137 0.7965 9,110,028 10 317 .037422547
A 7,224,825 0.8805 8,205,366 7 178 .094232866
A 7,209,777 0.9390 7,678,144 8 105 .046505462
A 7,218,900 0.9376 7,699,339 6 57 .005232667
D3 25,024,320 0.9202 27,194,436 20 2,519 .304589136
G1 70,136,731 0.8418 83,317,571 15 219 .031612838
G1 70,394,180 1.0433 67,472,616 15 84 .012475313
G1 69,981,150 1.1239 62,266,349 14 35 .073701353
G1 69,641,209 1.0022 69,488,335 9 14 .005531467
Random Totals: 334,087,229   342,432,184 104 3,528  
Catg J Exception Values: 9,216,325   8,977,183      
Catg D1 Exception Values: 13,660,410   19,849,620      
Total Test Values (4): 356,963,964   371,258,987      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,562,949

Confidence Interval Values (5)

State Lower Limit: 352,696,038 (State Test Value minus Margin of Error Percent)
Local Test Value: 356,963,964 (Within Confidence Interval)
State Upper Limit: 389,821,936 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 409,231,548 (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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