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2007 Confidence Interval Detail
167/Mills
167-901/Goldthwaite ISD

Category Summary

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

Stratum
Variance
A 12,357,414 0.9353 13,212,246 14 360 .019303747
A 12,300,213 0.9245 13,304,719 18 205 .032237791
A 12,344,266 0.9763 12,643,927 17 133 .036784955
A 12,259,622 1.0824 11,326,332 17 76 .014962409
D3 48,444,450 0.9822 49,322,389 23 3,224 .001986233
F1 3,331,429 0.8107 4,109,324 8 77 .029223799
F1 3,370,591 0.8899 3,787,606 7 29 .022897306
F1 3,405,987 0.8213 4,147,068 7 11 .033385588
Random Totals: 107,813,972   111,853,611 111 4,115  
Catg J Exception Values: 6,196,850   6,620,118      
Catg D1 Exception Values: 14,077,580   15,130,240      
Catg F1 Exception Values: 3,175,890   3,745,904      
Total Test Values (4): 131,264,292   137,349,873      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,867,494

Confidence Interval Values (5)

State Lower Limit: 130,482,379 (State Test Value minus Margin of Error Percent)
Local Test Value: 131,264,292 (Within Confidence Interval)
State Upper Limit: 144,217,367 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 129,735,037 (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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