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2007 Confidence Interval Detail
082/Frio
082-902/Dilley ISD

Category Summary

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

Stratum
Variance
A 6,758,232 0.9466 7,139,480 7 326 .003932529
A 6,778,846 0.8998 7,533,725 7 172 .002180642
A 6,769,526 0.9595 7,055,264 7 110 .007300019
A 6,679,876 1.0336 6,462,728 6 62 .013751182
D3 22,559,220 1.0006 22,545,693 20 1,955 .008805085
F1 2,235,636 0.9843 2,271,295 6 43 .010892677
F1 2,168,155 0.9422 2,301,162 5 14 .022525940
F1 2,776,736 0.9634 2,882,225 4 7 .001131925
G1 2,367,480 0.6845 3,458,700 5 19 .188275790
G1 2,297,020 1.0519 2,183,687 4 7 .043850026
G1 2,438,820 0.9480 2,572,595 3 4 .018729174
Random Totals: 63,829,547   66,406,554 74 2,719  
Catg J Exception Values: 6,685,114   6,736,819      
Catg D1 Exception Values: 21,697,630   22,678,458      
Catg F1 Exception Values: 946,300   1,066,156      
Catg G1 Exception Values: 1,699,260   1,781,634      
Total Test Values (4): 94,857,851   98,669,621      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,933,481

Confidence Interval Values (5)

State Lower Limit: 93,736,140 (State Test Value minus Margin of Error Percent)
Local Test Value: 94,857,851 (Within Confidence Interval)
State Upper Limit: 103,603,102 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 108,577,292 (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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