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2008 Confidence Interval Detail
219/Swisher
219-903/Tulia ISD

Category Summary

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

Stratum
Variance
A 12,118,191 0.9429 12,852,043 14 589 .156437206
A 15,733,710 0.8875 17,728,124 15 389 .033625144
A 14,175,400 0.9209 15,392,985 13 217 .018123411
A 21,433,300 1.0390 20,628,778 11 200 .008047279
D3 19,470,284 0.9542 20,404,825 22 1,645 .012013505
F1 1,764,180 1.1093 1,590,354 8 95 .042102055
F1 2,282,310 1.0613 2,150,485 7 42 .031222561
F1 2,583,620 0.9369 2,757,626 6 20 .018223761
L1 1,772,110 0.9872 1,795,087 7 80 .021409300
L1 3,067,640 1.1730 2,615,209 5 34 .013727501
L1 2,158,170 0.9626 2,242,022 6 8 .009542148
Random Totals: 96,558,915   100,157,538 114 3,319  
Catg J Exception Values: 7,148,604   7,283,576      
Catg D1 Exception Values: 25,101,425   24,475,018      
Catg F1 Exception Values: 1,997,010   2,042,352      
Catg L1 Exception Values: 2,227,600   2,327,985      
Total Test Values (4): 133,033,554   136,286,469      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,814,323

Confidence Interval Values (5)

State Lower Limit: 129,472,146 (State Test Value minus Margin of Error Percent)
Local Test Value: 133,033,554 (Within Confidence Interval)
State Upper Limit: 143,100,792 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 138,682,010 (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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