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2007 Confidence Interval Detail
170/Montgomery
170-907/Splendora ISD

Category Summary

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

Stratum
Variance
A 55,964,607 0.9480 59,034,396 15 1,609 .033916404
A 55,956,311 0.9148 61,167,808 18 770 .018649959
A 55,955,023 0.9629 58,110,939 20 386 .013963876
A 55,874,435 0.9928 56,279,648 17 183 .012070608
C 5,392,966 0.9051 5,958,420 9 1,659 .024035413
C 5,390,200 1.0069 5,353,262 8 434 .005740424
C 5,425,232 0.9578 5,664,264 7 160 .010119748
C 5,346,434 0.9441 5,662,995 7 89 .004786108
D3 35,722,761 0.9337 38,259,356 10 967 .005045043
Random Totals: 281,027,969   295,491,088 111 6,257  
Catg J Exception Values: 22,301,502   22,346,951      
Catg D1 Exception Values: 9,329,032   9,276,084      
Total Test Values (4): 312,658,503   327,114,123      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,355,706

Confidence Interval Values (5)

State Lower Limit: 310,758,417 (State Test Value minus Margin of Error Percent)
Local Test Value: 312,658,503 (Within Confidence Interval)
State Upper Limit: 343,469,829 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 299,070,603 (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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