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2010 Confidence Interval Detail
018/Bosque
018-908/Cranfills Gap ISD

Category Summary

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

Stratum
Variance
A 1,756,510 0.9651 1,820,029 10 58 .004532597
A 1,649,730 0.9493 1,737,838 10 31 .015625144
A 1,720,050 0.9766 1,761,264 8 20 .002086466
A 1,782,540 0.9760 1,826,373 6 10 .001418457
D3 40,459,470 0.9997 40,471,611 32 1,046 .060092954
Random Totals: 47,368,300   47,617,115 66 1,165  
Catg J Exception Values: 530,630   524,434      
Catg D1 Exception Values: 4,208,410   3,834,006      
Total Test Values (4): 52,107,340   51,975,555      

Margin of Error

Margin of Error Percent: 6.6501608
Margin of Error Value: 3,456,458

Confidence Interval Values (5)

State Lower Limit: 48,519,097 (State Test Value minus Margin of Error Percent)
Local Test Value: 52,107,340 (Within Confidence Interval)
State Upper Limit: 55,432,013 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 51,942,330 (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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