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2010 Confidence Interval Detail
028/Caldwell
028-902/Lockhart ISD

Category Summary

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

Stratum
Variance
A 103,765,121 0.9578 108,336,940 10 1,720 .111698732
A 102,990,444 0.9594 107,348,806 11 1,058 .052418758
A 102,632,450 1.0245 100,178,087 14 786 .006905609
A 99,445,270 1.0363 95,961,855 11 518 .027447771
D3 286,405,948 0.9973 287,181,338 22 7,704 .044041725
F1 18,847,768 0.8740 21,564,952 10 193 .039062945
F1 21,882,719 0.8702 25,146,770 10 93 .026554644
F1 19,794,460 0.9745 20,312,427 8 37 .002146088
F1 24,544,310 0.9640 25,460,902 6 16 .001603383
Random Totals: 780,308,490   791,492,077 102 12,125  
Catg J Exception Values: 11,536,462   14,157,950      
Catg D1 Exception Values: 15,457,803   15,152,294      
Total Test Values (4): 807,302,755   820,802,321      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 41,040,116

Confidence Interval Values (5)

State Lower Limit: 779,762,205 (State Test Value minus Margin of Error Percent)
Local Test Value: 807,302,755 (Within Confidence Interval)
State Upper Limit: 861,842,437 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 896,597,104 (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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