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2006 Confidence Interval Detail
028/Caldwell
028-903/Luling ISD

Category Summary

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

Stratum
Variance
A 26,938,538 1.0310 26,128,553 19 656 .020950026
A 26,949,894 0.9787 27,536,420 15 371 .017428593
A 26,922,789 0.9997 26,930,868 15 271 .047781275
A 26,930,136 0.9890 27,229,662 16 187 .015904716
D3 58,792,748 0.8673 67,788,249 22 1,931 .122705352
F1 6,583,993 0.7672 8,581,847 8 135 .084276703
F1 6,520,705 0.9622 6,776,871 6 65 .096670299
F1 6,773,029 0.9845 6,879,664 6 28 .009382064
F1 6,311,832 0.9614 6,565,251 4 9 .008444777
G1 8,408,057 1.0190 8,251,283 6 86 .000141991
G1 8,700,490 0.9727 8,944,680 6 28 .008622926
G1 8,411,710 1.0413 8,078,085 4 11 .008278055
G1 7,944,370 1.0110 7,857,933 3 4 .001778093
Random Totals: 226,188,291   237,549,366 130 3,782  
Catg J Exception Values: 10,918,423   11,740,749      
Catg D1 Exception Values: 3,767,148   4,230,957      
Total Test Values (4): 240,873,862   253,521,072      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 12,676,054

Confidence Interval Values (5)

State Lower Limit: 240,845,018 (State Test Value minus Margin of Error Percent)
Local Test Value: 240,873,862 (Within Confidence Interval)
State Upper Limit: 266,197,126 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 247,799,658 (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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