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2007 Confidence Interval Detail
034/Cass
034-906/McLeod ISD

Category Summary

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

Stratum
Variance
A 2,097,865 1.0180 2,060,771 8 63 .021607857
A 2,027,517 0.9485 2,137,604 6 33 .009377238
A 2,119,783 0.9863 2,149,227 5 24 .004049025
A 1,953,654 1.0247 1,906,562 4 12 .040469436
D3 10,043,720 1.0391 9,665,788 24 718 .007971687
G1 2,469,890 0.9781 2,525,192 5 17 .089317220
G1 2,399,600 1.0885 2,204,502 3 6 .077676786
G1 2,573,760 0.9848 2,613,485 2 3 .000925397
Random Totals: 25,685,789   25,263,131 57 876  
Catg D1 Exception Values: 2,490,740   3,260,784      
Catg G1 Exception Values: 1,813,220   1,850,395      
Total Test Values (4): 29,989,749   30,374,310      

Margin of Error

Margin of Error Percent: 5.0000016
Margin of Error Value: 1,518,716

Confidence Interval Values (5)

State Lower Limit: 28,855,594 (State Test Value minus Margin of Error Percent)
Local Test Value: 29,989,749 (Within Confidence Interval)
State Upper Limit: 31,893,026 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 26,863,313 (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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