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2008 Confidence Interval Detail
061/Denton
061-903/Pilot Point ISD

Category Summary

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

Stratum
Variance
A 43,428,165 0.9954 43,628,858 17 602 .000676975
A 47,611,033 0.9945 47,874,342 10 385 .000335070
A 40,859,725 0.9978 40,949,815 10 215 .000279543
A 50,345,613 1.0074 49,975,792 7 136 .000604179
D3 155,087,165 0.9351 165,850,888 13 2,245 .108166007
F1 11,342,974 1.0807 10,495,951 6 87 .024681001
F1 12,536,463 1.0426 12,024,231 7 42 .011124814
F1 13,734,695 0.9591 14,320,399 7 21 .024985300
F1 13,512,445 0.9957 13,570,799 4 7 .000725380
Random Totals: 388,458,278   398,691,075 81 3,740  
Catg D1 Exception Values: 4,771,667   4,155,684      
Total Test Values (4): 393,229,945   402,846,759      

Margin of Error

Margin of Error Percent: 7.4765134
Margin of Error Value: 30,118,892

Confidence Interval Values (5)

State Lower Limit: 372,727,867 (State Test Value minus Margin of Error Percent)
Local Test Value: 393,229,945 (Within Confidence Interval)
State Upper Limit: 432,965,651 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 428,179,815 (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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