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2011 Confidence Interval Detail
126/Johnson
126-905/Joshua ISD

Category Summary

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

Stratum
Variance
A 196,231,620 1.0277 190,942,512 35 2,384 .015472343
A 198,629,864 1.0484 189,460,000 32 1,530 .009784075
A 198,625,155 1.0123 196,211,750 33 1,136 .009188505
A 197,259,168 1.0083 195,635,394 26 689 .029792638
D3 129,025,074 0.9760 132,197,822 15 2,219 .060306947
G1 83,534,300 1.0191 81,968,698 11 173 .001863429
G1 84,259,827 0.9765 86,287,585 9 79 .004328422
G1 84,785,787 0.9955 85,169,048 8 53 .002969912
G1 81,510,635 1.0077 80,887,799 7 28 .011614391
Random Totals: 1,253,861,430   1,238,760,608 176 8,291  
Catg D1 Exception Values: 2,549,469   1,901,693      
Total Test Values (4): 1,256,410,899   1,240,662,301      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 62,033,115

Confidence Interval Values (5)

State Lower Limit: 1,178,629,186 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,256,410,899 (Within Confidence Interval)
State Upper Limit: 1,302,695,416 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,517,871,513 (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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