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2009 Confidence Interval Detail
120/Jackson
120-902/Ganado ISD

Category Summary

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

Stratum
Variance
A 13,551,326 0.9735 13,920,212 15 318 .019681475
A 14,062,436 1.0014 14,042,776 15 193 .004303874
A 14,104,445 0.9723 14,506,269 15 134 .005377382
A 13,526,720 0.9817 13,778,873 15 83 .008791615
D3 27,544,496 1.0162 27,105,389 15 1,698 .026836366
F1 2,981,963 0.9886 3,016,349 6 62 .003436865
F1 2,561,172 1.0882 2,353,586 5 23 .055040021
F1 6,089,808 0.9705 6,274,918 4 12 .002219257
G1 2,948,905 0.9360 3,150,540 9 14 .090276058
G1 2,926,509 0.8842 3,309,782 5 7 .009168884
G1 2,864,076 0.9681 2,958,451 4 5 .006650818
Random Totals: 103,161,856   104,417,145 108 2,549  
Catg J Exception Values: 8,685,642   8,746,151      
Catg D1 Exception Values: 18,409,030   16,661,653      
Catg G1 Exception Values: 7,688,403   8,141,984      
Total Test Values (4): 137,944,931   137,966,933      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,898,347

Confidence Interval Values (5)

State Lower Limit: 131,068,586 (State Test Value minus Margin of Error Percent)
Local Test Value: 137,944,931 (Within Confidence Interval)
State Upper Limit: 144,865,280 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 148,935,927 (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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