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2006 Confidence Interval Detail
214/Starr
214-903/Roma ISD

Category Summary

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

Stratum
Variance
A 36,248,379 0.7456 48,616,388 15 2,167 .164559822
A 36,315,177 0.6668 54,461,873 11 1,304 .081968532
A 36,175,825 0.6457 56,025,747 11 851 .348718753
A 36,195,549 0.8384 43,172,172 12 458 .025542301
C 8,346,206 0.8662 9,635,426 21 1,708 .104003123
C 6,665,657 0.6628 10,056,815 28 998 .275408769
C 7,472,055 0.8076 9,252,173 25 715 .419862106
C 7,473,773 1.0334 7,232,217 11 151 .004455896
D3 10,530,930 0.9487 11,100,379 35 8,389 .826553767
F1 8,233,566 0.9360 8,796,545 7 194 .013024516
F1 8,241,907 0.9152 9,005,580 8 89 .016438934
F1 8,216,656 0.7547 10,887,314 10 47 .144438985
F1 8,175,013 0.6866 11,906,515 8 18 .225832259
G1 56,959,474 0.9780 58,240,771 6 62 .010585460
G1 57,065,750 0.9788 58,301,747 5 23 .014198353
G1 56,942,230 0.9057 62,870,962 4 12 .130084880
G1 50,325,700 1.1459 43,918,056 3 6 .002367027
Random Totals: 439,583,847   513,480,680 220 17,192  
Catg J Exception Values: 10,519,104   10,530,303      
Catg D1 Exception Values: 19,694,750   23,939,019      
Total Test Values (4): 469,797,701   547,950,002      

Margin of Error

Margin of Error Percent: 5.7538872
Margin of Error Value: 31,528,425

Confidence Interval Values (5)

Local Test Value: 469,797,701 (Outside Confidence Interval)
State Lower Limit: 516,421,577 (State Test Value minus Margin of Error Percent)
State Upper Limit: 579,478,427 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 465,181,702 (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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