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2006 Confidence Interval Detail
007/Atascosa
007-904/Lytle ISD

Category Summary

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

Stratum
Variance
A 25,207,888 0.9400 26,816,902 11 624 .009217436
A 25,150,649 0.9535 26,377,188 14 344 .003544464
A 25,121,091 0.9611 26,137,854 21 224 .003868534
A 25,148,597 0.9778 25,719,571 14 138 .003023081
C 2,110,123 0.9060 2,329,054 7 373 .027397033
C 2,183,451 0.9610 2,272,061 9 163 .025337206
C 1,999,842 1.0115 1,977,105 6 86 .005274028
C 2,068,356 0.9639 2,145,820 7 62 .003578475
D3 24,239,040 1.0143 23,897,308 20 942 .003683607
F1 4,486,109 0.9319 4,813,938 6 51 .029297315
F1 4,991,390 0.9329 5,350,402 5 13 .006819007
F1 4,049,560 0.9567 4,232,842 3 6 .003771619
F1 4,401,127 1.0044 4,381,847 2 3 .001773183
Random Totals: 151,157,223   156,451,892 125 3,029  
Catg D1 Exception Values: 2,303,390   2,521,912      
Total Test Values (4): 153,460,613   158,973,804      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,948,690

Confidence Interval Values (5)

State Lower Limit: 151,025,114 (State Test Value minus Margin of Error Percent)
Local Test Value: 153,460,613 (Within Confidence Interval)
State Upper Limit: 166,922,494 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 149,837,977 (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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