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2011 Confidence Interval Detail
050/Coryell
050-901/Evant ISD

Category Summary

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

Stratum
Variance
A 4,712,710 0.9867 4,776,234 11 123 .060725874
A 5,478,260 0.9942 5,510,219 10 88 .007990282
A 4,764,300 0.9621 4,951,980 11 52 .011037976
A 4,401,170 1.1024 3,992,353 11 26 .052452112
D3 25,426,298 1.0248 24,810,986 16 1,630 .025887044
Random Totals: 44,782,738   44,041,772 59 1,919  
Catg J Exception Values: 1,074,544   1,183,072      
Catg D1 Exception Values: 7,341,719   7,928,086      
Total Test Values (4): 53,199,001   53,152,930      

Margin of Error

Margin of Error Percent: 5.0000009
Margin of Error Value: 2,657,647

Confidence Interval Values (5)

State Lower Limit: 50,495,283 (State Test Value minus Margin of Error Percent)
Local Test Value: 53,199,001 (Within Confidence Interval)
State Upper Limit: 55,810,577 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 50,421,948 (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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