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2006 Confidence Interval Detail
175/Navarro
175-910/Mildred ISD

Category Summary

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

Stratum
Variance
A 19,090,111 1.0062 18,972,482 25 228 .033534499
A 19,184,477 0.9127 21,019,477 11 98 .008547317
A 19,074,224 0.8971 21,262,093 13 64 .014291102
A 18,924,835 0.9222 20,521,400 14 41 .004471212
C 9,086,387 0.9825 9,248,231 11 341 .008639531
C 9,110,531 1.0167 8,960,884 8 163 .004326620
C 9,017,772 0.7937 11,361,688 8 95 .247950394
C 9,067,824 1.0451 8,676,513 18 60 .053104346
D3 37,724,035 0.9683 38,959,036 23 1,776 .030016619
G1 3,708,168 0.7067 5,247,160 5 20 .002727523
G1 3,691,031 0.9876 3,737,374 3 6 .281786859
G1 4,209,610 1.0956 3,842,287 2 3 .242814187
Random Totals: 161,889,005   171,808,625 141 2,895  
Catg J Exception Values: 10,437,411   10,520,680      
Catg D1 Exception Values: 3,186,650   2,700,990      
Catg G1 Exception Values: 1,923,050   816,332      
Total Test Values (4): 177,436,116   185,846,627      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,292,331

Confidence Interval Values (5)

State Lower Limit: 176,554,296 (State Test Value minus Margin of Error Percent)
Local Test Value: 177,436,116 (Within Confidence Interval)
State Upper Limit: 195,138,958 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 256,190,738 (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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