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2010 Confidence Interval Detail
171/Moore
171-901/Dumas ISD

Category Summary

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

Stratum
Variance
A 94,733,550 0.9631 98,363,150 23 1,701 .008734267
A 98,219,660 0.9893 99,281,977 25 1,064 .005074767
A 96,299,760 0.9693 99,349,799 21 735 .004291709
A 97,196,540 0.9576 101,500,146 15 461 .006890505
F1 21,700,960 0.9285 23,372,062 12 228 .007763744
F1 21,637,920 0.9227 23,450,656 9 74 .048302707
F1 22,808,410 1.0056 22,681,394 7 29 .001074185
F1 27,595,160 0.8940 30,867,069 5 9 .075082366
G1 130,599,630 1.0049 129,962,812 10 378 .032255298
G1 130,475,862 1.0405 125,397,272 9 167 .007995476
G1 129,927,350 1.0293 126,228,845 9 101 .036302651
G1 129,781,389 1.0824 119,901,505 8 49 .015064900
L1 14,072,370 0.9525 14,774,142 12 372 .008624782
L1 16,839,350 0.9909 16,993,995 9 103 .003880705
L1 18,958,180 0.9911 19,128,423 8 41 .001506436
L1 14,844,830 0.9845 15,078,547 5 8 .001725673
Random Totals: 1,065,690,921   1,066,331,794 187 5,520  
Catg J Exception Values: 39,363,184   39,966,896      
Catg D1 Exception Values: 56,603,457   58,317,711      
Total Test Values (4): 1,161,657,562   1,164,616,401      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 58,230,820

Confidence Interval Values (5)

State Lower Limit: 1,106,385,581 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,161,657,562 (Within Confidence Interval)
State Upper Limit: 1,222,847,221 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,070,931,623 (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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