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2009 Confidence Interval Detail
119/Jack
119-902/Jacksboro ISD

Category Summary

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

Stratum
Variance
A 17,056,260 1.0911 15,632,169 11 563 .046427340
A 16,088,940 0.9989 16,106,657 8 257 .047301827
A 16,514,430 0.9413 17,544,279 9 185 .056740901
A 25,488,250 0.8015 31,800,686 7 184 .013469890
D3 79,655,470 0.8634 92,257,899 18 5,536 .063775621
G1 42,810,800 1.0169 42,099,321 7 400 .019630053
G1 42,959,020 1.0285 41,768,614 7 129 .005878431
G1 42,421,110 0.9897 42,862,595 6 62 .009268833
G1 42,678,652 1.0453 40,829,094 6 28 .002023777
Random Totals: 325,672,932   340,901,314 79 7,344  
Catg J Exception Values: 148,699,850   153,240,026      
Catg D1 Exception Values: 21,378,060   25,716,974      
Total Test Values (4): 495,750,842   519,858,314      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 25,992,916

Confidence Interval Values (5)

State Lower Limit: 493,865,398 (State Test Value minus Margin of Error Percent)
Local Test Value: 495,750,842 (Within Confidence Interval)
State Upper Limit: 545,851,230 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 643,432,320 (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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