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2008 Confidence Interval Detail
175/Navarro
175-910/Mildred ISD

Category Summary

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

Stratum
Variance
A 21,942,510 0.9322 23,538,415 16 225 .020460114
A 22,271,320 0.8847 25,173,867 17 102 .047738777
A 20,855,530 1.0108 20,632,697 15 62 .010834511
A 50,511,350 1.0162 49,706,111 20 95 .008540567
C 15,558,430 0.8871 17,538,530 23 527 .059412196
C 16,552,140 0.8342 19,841,932 15 215 .067583680
C 14,680,760 0.9463 15,513,854 10 107 .018996664
C 17,696,560 1.0068 17,577,036 9 80 .001644300
D3 51,717,000 0.9749 53,048,518 24 1,782 .082813210
G1 4,360,993 1.0024 4,350,552 5 20 .000014573
G1 4,696,700 0.8194 5,731,877 4 7 .051121742
G1 5,022,060 0.9421 5,330,708 2 3 .008072611
Random Totals: 245,865,353   257,984,097 160 3,225  
Catg D1 Exception Values: 3,199,800   2,456,683      
Catg G1 Exception Values: 2,497,670   4,141,355      
Total Test Values (4): 251,562,823   264,582,135      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 13,229,107

Confidence Interval Values (5)

State Lower Limit: 251,353,028 (State Test Value minus Margin of Error Percent)
Local Test Value: 251,562,823 (Within Confidence Interval)
State Upper Limit: 277,811,242 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 356,217,815 (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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