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2009 Confidence Interval Detail
035/Castro
035-901/Dimmitt ISD

Category Summary

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

Stratum
Variance
A 14,713,920 0.9720 15,137,778 12 599 .024021460
A 14,968,210 0.9552 15,670,237 14 311 .020240735
A 14,813,100 0.9742 15,205,399 11 198 .004696532
A 14,977,670 0.9870 15,174,944 12 111 .006117055
D3 23,814,350 0.9803 24,292,921 17 1,755 .000310445
F1 2,999,700 0.9378 3,198,656 7 93 .008212478
F1 3,072,020 0.9758 3,148,207 6 38 .014561053
F1 2,783,170 0.9645 2,885,609 5 14 .008414519
F1 2,905,910 0.9878 2,941,800 4 5 .002971497
L1 2,182,510 0.9396 2,322,808 6 49 .006764019
L1 3,125,980 0.9693 3,224,987 7 17 .002979831
L1 1,493,940 0.9804 1,523,807 3 4 .001074958
L1 1,912,280 1.0003 1,911,706 3 4 .000337375
Random Totals: 103,762,760   106,638,859 107 3,198  
Catg J Exception Values: 4,505,500   3,948,422      
Catg D1 Exception Values: 62,433,930   57,349,671      
Total Test Values (4): 170,702,190   167,936,952      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 8,396,848

Confidence Interval Values (5)

State Lower Limit: 159,540,104 (State Test Value minus Margin of Error Percent)
Local Test Value: 170,702,190 (Within Confidence Interval)
State Upper Limit: 176,333,800 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 207,716,490 (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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