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2008 Confidence Interval Detail
175/Navarro
175-903/Corsicana ISD

Category Summary

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

Stratum
Variance
A 111,666,940 1.0120 110,342,826 31 3,018 .045567480
A 107,764,560 0.9524 113,150,525 40 1,574 .016405240
A 142,459,640 0.9620 148,086,944 55 1,409 .033169613
A 148,681,410 0.9821 151,391,315 44 782 .003097956
D3 129,819,470 0.8587 151,181,402 35 4,183 .032275233
F1 53,366,470 0.9933 53,726,437 7 466 .012554602
F1 51,744,400 0.9796 52,821,968 7 126 .004105841
F1 58,735,420 0.9540 61,567,526 6 40 .022930053
F1 62,323,530 0.9640 64,650,965 4 9 .004348312
L1 28,113,870 0.9780 28,746,288 7 349 .001650822
L1 25,698,980 0.9728 26,417,537 6 56 .001396246
L1 25,442,970 0.9839 25,859,305 5 16 .006448219
L1 30,124,660 1.0602 28,414,129 3 5 .018632989
Random Totals: 975,942,320   1,016,357,167 250 12,033  
Catg J Exception Values: 50,274,143   49,607,644      
Catg D1 Exception Values: 10,039,600   8,004,876      
Total Test Values (4): 1,036,256,063   1,073,969,687      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 53,698,484

Confidence Interval Values (5)

State Lower Limit: 1,020,271,203 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,036,256,063 (Within Confidence Interval)
State Upper Limit: 1,127,668,171 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,316,961,393 (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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