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2006 Confidence Interval Detail
241/Wharton
241-906/Louise ISD

Category Summary

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

Stratum
Variance
A 9,112,348 0.9370 9,725,025 15 208 .034265835
A 9,224,870 0.9357 9,858,790 14 117 .015373904
A 8,903,626 0.9927 8,969,100 13 78 .004054616
A 9,063,808 0.9779 9,268,645 12 49 .007334864
D3 30,611,880 1.0220 29,952,916 21 2,441 .025855263
G1 8,281,684 0.9628 8,601,666 9 19 .178423638
G1 7,117,539 1.0723 6,637,638 3 4 .009732207
L1 2,597,954 0.9779 2,656,666 9 30 .004280920
L1 2,465,392 0.9260 2,662,410 5 9 .017965711
L1 3,439,060 1.0286 3,343,438 3 5 .000822737
Random Totals: 90,818,161   91,676,294 104 2,960  
Catg J Exception Values: 7,692,684   7,007,557      
Catg D1 Exception Values: 25,283,610   24,332,732      
Catg G1 Exception Values: 22,336,256   23,219,992      
Catg L1 Exception Values: 1,864,588   1,866,384      
Total Test Values (4): 147,995,299   148,102,959      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,405,148

Confidence Interval Values (5)

State Lower Limit: 140,697,811 (State Test Value minus Margin of Error Percent)
Local Test Value: 147,995,299 (Within Confidence Interval)
State Upper Limit: 155,508,107 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 153,358,263 (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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