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2008 Confidence Interval Detail
061/Denton
061-906/Ponder ISD

Category Summary

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

Stratum
Variance
A 36,483,934 1.0371 35,178,801 11 469 .005961437
A 33,615,570 1.0007 33,592,056 14 268 .000673898
A 37,191,710 1.0283 36,168,151 16 225 .001451744
A 47,045,490 1.0437 45,075,683 10 181 .015441446
D3 70,671,244 0.7423 95,205,771 13 1,566 .021757156
G1 154,648,370 0.9441 163,805,074 7 273 .010764316
G1 155,437,370 0.9799 158,625,748 7 142 .002375898
G1 154,783,902 0.9872 156,790,825 6 84 .012480090
G1 152,819,257 1.0306 148,281,833 6 41 .010492411
Random Totals: 842,696,847   872,723,942 90 3,249  
Catg J Exception Values: 16,885,018   17,030,794      
Catg D1 Exception Values: 3,282,606   2,825,717      
Total Test Values (4): 862,864,471   892,580,453      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 44,629,023

Confidence Interval Values (5)

State Lower Limit: 847,951,430 (State Test Value minus Margin of Error Percent)
Local Test Value: 862,864,471 (Within Confidence Interval)
State Upper Limit: 937,209,476 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 931,912,025 (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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