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2008 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 15,929,110 1.1623 13,704,818 10 568 .133530756
A 15,513,560 0.9323 16,640,094 13 266 .093822991
A 16,952,190 0.9158 18,510,799 9 202 .009055028
A 20,675,890 0.9412 21,967,584 15 159 .004564140
D3 71,780,610 0.9829 73,029,413 22 5,580 .024352593
G1 48,174,760 0.9824 49,037,826 15 399 .028562926
G1 48,057,670 0.9982 48,144,330 15 138 .018811591
G1 48,807,110 1.0160 48,038,494 15 62 .027071111
G1 46,929,065 1.0314 45,500,354 13 23 .002248751
L1 3,370,460 1.0441 3,228,101 10 72 .015237751
L1 2,660,660 0.9503 2,799,811 7 13 .008193593
Random Totals: 338,851,085   340,601,624 144 7,482  
Catg J Exception Values: 153,174,724   166,775,014      
Catg D1 Exception Values: 22,393,180   23,172,430      
Catg L1 Exception Values: 3,809,250   4,756,170      
Total Test Values (4): 518,228,239   535,305,238      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,765,262

Confidence Interval Values (5)

State Lower Limit: 508,539,976 (State Test Value minus Margin of Error Percent)
Local Test Value: 518,228,239 (Within Confidence Interval)
State Upper Limit: 562,070,500 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 622,878,441 (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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