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2006 Confidence Interval Detail
198/Robertson
198-905/Hearne ISD

Category Summary

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

Stratum
Variance
A 14,982,976 1.0175 14,725,284 19 702 .093516696
A 14,912,555 1.0836 13,762,048 17 389 .038619161
A 14,881,485 0.8263 18,009,785 14 260 .016028106
A 14,918,097 0.8276 18,025,733 16 161 .021813441
D3 25,256,630 0.9125 27,678,499 20 1,697 .070145051
F1 3,521,326 0.9246 3,808,486 7 90 .045337709
F1 3,486,019 0.8723 3,996,353 6 33 .007776038
F1 3,509,424 0.9841 3,566,125 4 11 .006422495
F1 3,338,209 0.8301 4,021,454 2 3 .047350608
G1 19,477,974 1.0121 19,245,108 8 22 .001453027
G1 19,152,125 1.0064 19,030,331 6 12 .001058483
G1 24,370,059 1.0040 24,272,967 4 6 .000051075
Random Totals: 161,806,879   170,142,173 123 3,386  
Catg J Exception Values: 24,003,848   25,434,264      
Catg D1 Exception Values: 5,998,570   6,677,626      
Catg G1 Exception Values: 46,329,117   46,758,142      
Total Test Values (4): 238,138,414   249,012,205      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,450,610

Confidence Interval Values (5)

State Lower Limit: 236,561,595 (State Test Value minus Margin of Error Percent)
Local Test Value: 238,138,414 (Within Confidence Interval)
State Upper Limit: 261,462,815 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 306,725,023 (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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