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2011 Confidence Interval Detail
061/Denton
043-905/Frisco ISD

Category Summary

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

Stratum
Variance
A 950,495,539 0.9989 951,542,235 71 4,770 .002780241
A 981,296,029 0.9920 989,209,707 75 3,725 .002233231
A 951,904,913 0.9976 954,194,981 73 2,850 .004319931
A 1,065,956,707 0.9993 1,066,703,399 73 2,208 .002691425
F1 74,766,159 0.9728 76,856,660 11 56 .007069483
F1 97,248,135 1.0159 95,726,090 8 33 .026525495
F1 69,805,694 0.9451 73,860,643 5 10 .002686941
Random Totals: 4,191,473,176   4,208,093,715 316 13,652  
Catg D1 Exception Values: 747,546   724,138      
Catg F1 Exception Values: 67,732,421   68,770,209      
Total Test Values (4): 4,259,953,143   4,277,588,062      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 213,879,403

Confidence Interval Values (5)

State Lower Limit: 4,063,708,659 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,259,953,143 (Within Confidence Interval)
State Upper Limit: 4,491,467,465 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,558,954,043 (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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