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2009 Confidence Interval Detail
248/Winkler
248-901/Kermit ISD

Category Summary

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

Stratum
Variance
A 17,068,951 0.7614 22,417,850 7 901 .072360816
A 18,503,530 0.9524 19,428,318 7 563 .086899419
A 17,986,170 0.7875 22,839,581 10 337 .059141453
A 22,268,290 0.8427 26,424,932 7 221 .011939507
G1 145,686,044 1.0534 138,300,782 15 188 .019299640
G1 146,296,181 1.0384 140,886,153 16 48 .009627054
G1 153,042,774 1.0843 141,144,309 11 20 .024161145
G1 136,293,104 0.9861 138,214,283 4 5 .001750425
Random Totals: 657,145,044   649,656,208 77 2,283  
Catg J Exception Values: 15,361,710   15,460,589      
Catg D1 Exception Values: 761,113   2,821,255      
Total Test Values (4): 673,267,867   667,938,052      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 33,396,903

Confidence Interval Values (5)

State Lower Limit: 634,541,149 (State Test Value minus Margin of Error Percent)
Local Test Value: 673,267,867 (Within Confidence Interval)
State Upper Limit: 701,334,955 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,038,447,820 (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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