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2009 Confidence Interval Detail
041/Coke
041-902/Robert Lee ISD

Category Summary

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

Stratum
Variance
A 6,947,920 0.8009 8,675,140 7 370 .081873854
A 7,043,200 0.9612 7,327,507 9 159 .042565451
A 7,824,170 1.0315 7,585,235 12 119 .095714292
A 8,476,620 0.9605 8,825,216 7 87 .004260288
D3 15,597,010 0.9313 16,747,568 20 1,914 .043565943
G1 9,888,180 1.0235 9,661,143 5 21 .007302418
G1 10,880,531 1.0317 10,546,216 3 6 .001257517
Random Totals: 66,657,631   69,368,025 63 2,676  
Catg J Exception Values: 8,131,975   7,537,256      
Catg D1 Exception Values: 10,856,516   14,701,451      
Catg G1 Exception Values: 70,607,484   68,344,978      
Total Test Values (4): 156,253,606   159,951,710      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 7,997,586

Confidence Interval Values (5)

State Lower Limit: 151,954,124 (State Test Value minus Margin of Error Percent)
Local Test Value: 156,253,606 (Within Confidence Interval)
State Upper Limit: 167,949,296 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 354,431,225 (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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