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2008 Confidence Interval Detail
169/Montague
169-902/Nocona ISD

Category Summary

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

Stratum
Variance
A 21,575,190 0.9804 22,006,518 15 618 .041655881
A 23,208,820 0.9636 24,085,533 17 358 .042967281
A 22,864,080 1.0003 22,857,223 16 225 .021743736
A 25,746,580 1.0162 25,336,135 20 148 .027293327
D3 46,005,330 1.0798 42,605,418 31 1,903 .027023635
F1 3,658,800 0.9872 3,706,240 16 93 .015632137
F1 3,612,800 0.9292 3,888,076 16 35 .013683416
Random Totals: 146,671,600   144,485,143 131 3,380  
Catg D1 Exception Values: 6,116,800   5,150,457      
Catg F1 Exception Values: 3,756,870   3,729,342      
Total Test Values (4): 156,545,270   153,364,942      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,668,247

Confidence Interval Values (5)

State Lower Limit: 145,696,695 (State Test Value minus Margin of Error Percent)
Local Test Value: 156,545,270 (Within Confidence Interval)
State Upper Limit: 161,033,189 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 169,741,867 (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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