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2009 Confidence Interval Detail
032/Camp
032-902/Pittsburg ISD

Category Summary

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

Stratum
Variance
A 73,454,479 1.0367 70,854,132 21 1,489 .043015953
A 74,636,057 0.9143 81,631,912 15 789 .016501252
A 76,089,495 0.9715 78,321,662 15 440 .003507763
A 73,457,988 0.8688 84,551,091 15 213 .026951825
D3 133,951,443 0.9455 141,672,600 20 5,278 .023634039
F1 13,552,175 0.9139 14,828,947 7 161 .023664978
F1 13,334,836 0.9746 13,682,368 6 56 .036096917
F1 13,369,433 1.0084 13,258,065 6 27 .030292858
F1 36,315,396 0.9696 37,453,998 4 12 .004788025
Random Totals: 508,161,302   536,254,775 109 8,465  
Catg D1 Exception Values: 15,461,736   14,802,475      
Total Test Values (4): 523,623,038   551,057,250      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 27,552,863

Confidence Interval Values (5)

State Lower Limit: 523,504,387 (State Test Value minus Margin of Error Percent)
Local Test Value: 523,623,038 (Within Confidence Interval)
State Upper Limit: 578,610,113 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 655,431,239 (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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