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2006 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 48,350,950 0.9132 52,946,726 15 1,570 .048474052
A 48,358,400 0.9013 53,654,055 15 769 .049177404
A 48,263,736 0.8771 55,026,492 16 408 .034938245
A 48,311,251 0.9845 49,071,865 15 179 .020374203
C 5,000,997 0.8935 5,597,087 8 1,681 .004820904
C 5,794,916 1.0182 5,691,334 9 466 .006491899
C 4,093,752 0.9275 4,413,749 7 136 .004180979
C 4,929,640 0.9631 5,118,513 13 97 .008325139
D3 26,144,960 0.9594 27,251,365 10 966 .001230485
Random Totals: 239,248,602   258,771,186 108 6,272  
Catg J Exception Values: 20,262,980   22,302,114      
Catg D1 Exception Values: 9,246,609   9,185,979      
Total Test Values (4): 268,758,191   290,258,860      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,512,943

Confidence Interval Values (5)

Local Test Value: 268,758,191 (Outside Confidence Interval)
State Lower Limit: 275,745,917 (State Test Value minus Margin of Error Percent)
State Upper Limit: 304,771,803 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 260,371,150 (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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