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2007 Confidence Interval Detail
108/Hidalgo
108-913/Weslaco ISD

Category Summary

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

Stratum
Variance
A 208,458,464 0.8875 234,882,776 14 5,499 .015277535
A 208,427,730 1.0302 202,317,734 12 3,091 .034522508
A 208,490,183 1.0495 198,656,677 24 1,998 .026498622
A 208,391,469 0.9970 209,018,525 25 1,078 .011503513
C 29,377,905 0.8497 34,574,444 7 2,250 .094493785
C 29,352,491 1.0686 27,468,174 7 1,353 .032827189
C 29,309,952 0.9677 30,288,263 7 817 .005597778
C 29,341,410 0.9399 31,217,587 5 257 .035428071
F1 69,950,334 0.8628 81,073,637 10 427 .097652133
F1 70,541,751 0.8502 82,970,773 10 135 .018423919
F1 69,796,320 0.8606 81,101,929 6 52 .020461164
F1 68,932,854 0.8847 77,916,643 8 18 .014004518
L1 35,455,614 0.9918 35,748,754 8 469 .006656436
L1 35,619,367 1.1196 31,814,369 7 98 .060158937
L1 37,730,945 0.9932 37,989,272 7 27 .002340037
L1 32,602,032 0.9959 32,736,251 3 6 .000322576
Random Totals: 1,371,778,821   1,429,775,808 160 17,575  
Catg D1 Exception Values: 5,876,040   6,172,435      
Total Test Values (4): 1,377,654,861   1,435,948,243      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 71,797,412

Confidence Interval Values (5)

State Lower Limit: 1,364,150,831 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,377,654,861 (Within Confidence Interval)
State Upper Limit: 1,507,745,655 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,461,515,234 (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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