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2007 Confidence Interval Detail
049/Cooke
049-903/Valley View ISD

Category Summary

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

Stratum
Variance
A 15,111,081 0.9676 15,617,074 9 267 .028155132
A 15,064,986 1.0618 14,188,158 9 160 .017570729
A 15,124,702 0.9555 15,829,097 9 104 .009422391
A 15,026,159 1.0016 15,002,156 8 51 .010692203
D3 81,309,900 0.9440 86,133,369 26 2,049 .041390291
Random Totals: 141,636,828   146,769,854 61 2,631  
Catg J Exception Values: 7,336,490   7,611,787      
Catg D1 Exception Values: 4,443,462   4,655,125      
Total Test Values (4): 153,416,780   159,036,766      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,951,838

Confidence Interval Values (5)

State Lower Limit: 151,084,928 (State Test Value minus Margin of Error Percent)
Local Test Value: 153,416,780 (Within Confidence Interval)
State Upper Limit: 166,988,604 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 159,509,894 (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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