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2007 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 172,439,796 0.9267 186,079,417 45 2,167 .027559052
A 172,436,300 0.9802 175,919,506 60 1,389 .010231907
A 172,512,332 0.9689 178,049,677 77 1,032 .004872714
A 172,260,331 0.9860 174,706,218 89 668 .006272961
D3 103,824,465 0.9450 109,867,159 22 2,023 .214248224
Random Totals: 793,473,224   824,621,977 293 7,279  
Catg D1 Exception Values: 2,556,216   2,014,155      
Total Test Values (4): 796,029,440   826,636,132      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 41,331,807

Confidence Interval Values (5)

State Lower Limit: 785,304,325 (State Test Value minus Margin of Error Percent)
Local Test Value: 796,029,440 (Within Confidence Interval)
State Upper Limit: 867,967,939 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 995,074,066 (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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