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2011 Confidence Interval Detail
034/Cass
172-905/Pewitt ISD

Category Summary

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

Stratum
Variance
A 12,981,583 0.8992 14,436,814 17 307 .031074822
D3 18,274,594 0.9008 20,287,071 15 1,626 .134558807
G1 6,023,381 0.9466 6,363,175 4 8 .003495720
Random Totals: 37,279,558   41,087,060 36 1,941  
Catg J Exception Values: 1,362,258   1,384,226      
Catg D1 Exception Values: 7,850,481   7,707,499      
Catg G1 Exception Values: 5,582,076   5,485,384      
Total Test Values (4): 52,074,373   55,664,169      

Margin of Error

Margin of Error Percent: 7.3261131
Margin of Error Value: 4,078,020

Confidence Interval Values (5)

State Lower Limit: 51,586,149 (State Test Value minus Margin of Error Percent)
Local Test Value: 52,074,373 (Within Confidence Interval)
State Upper Limit: 59,742,189 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 85,860,602 (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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