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2007 Confidence Interval Detail
013/Bee
013-903/Pettus ISD

Category Summary

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

Stratum
Variance
A 4,771,693 1.0099 4,724,916 8 172 .012929829
A 4,720,629 0.9685 4,874,165 7 92 .041997416
A 4,762,743 0.9807 4,856,473 6 70 .014407298
A 4,683,310 0.9918 4,722,031 6 39 .002793855
D3 19,538,010 1.0466 18,668,078 15 1,601 .009102662
G1 14,433,000 0.8431 17,118,966 6 41 .183205342
G1 15,197,270 1.0625 14,303,313 4 11 .029942561
G1 13,973,170 1.2640 11,054,723 3 5 .471954584
Random Totals: 82,079,825   80,322,665 55 2,031  
Catg J Exception Values: 6,050,622   6,075,182      
Catg D1 Exception Values: 8,141,130   6,900,591      
Catg G1 Exception Values: 30,503,031   31,142,961      
Total Test Values (4): 126,774,608   124,441,399      

Margin of Error

Margin of Error Percent: 6.6083386
Margin of Error Value: 8,223,509

Confidence Interval Values (5)

State Lower Limit: 116,217,890 (State Test Value minus Margin of Error Percent)
Local Test Value: 126,774,608 (Within Confidence Interval)
State Upper Limit: 132,664,908 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 138,755,508 (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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