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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 0.9162 52,773,357 14 1,570 .052070376
A 48,358,400 0.9351 51,714,683 14 769 .039890875
A 48,263,736 0.9213 52,386,558 13 408 .032080182
A 48,311,251 1.0032 48,157,148 14 179 .018317553
C 5,000,997 0.9276 5,391,329 8 1,681 .005462717
C 5,794,916 1.0182 5,691,334 9 466 .006491899
C 4,093,752 0.9451 4,331,554 6 136 .002562718
C 4,929,640 0.9631 5,118,513 13 97 .008325139
D3 26,144,960 0.9597 27,242,847 14 966 .001135155
Random Totals: 239,248,602   252,807,323 105 6,272  
Catg J Exception Values: 20,262,980   19,755,778      
Catg D1 Exception Values: 9,246,609   9,185,979      
Total Test Values (4): 268,758,191   281,749,080      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,087,454

Confidence Interval Values (5)

State Lower Limit: 267,661,626 (State Test Value minus Margin of Error Percent)
Local Test Value: 268,758,191 (Within Confidence Interval)
State Upper Limit: 295,836,534 (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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