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2010 Confidence Interval Detail
161/McLennan
161-908/Mart ISD

Category Summary

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

Stratum
Variance
A 9,539,997 1.0283 9,277,445 10 326 .012121774
A 9,375,822 1.0060 9,319,903 10 179 .013033635
A 10,306,468 1.1220 9,185,800 12 130 .030044569
A 11,504,279 0.9637 11,937,614 9 89 .005476691
D3 17,713,267 0.8324 21,279,754 20 662 .013287207
F1 1,896,108 1.0537 1,799,476 8 56 .020617882
F1 1,457,374 0.8685 1,678,036 6 13 .046005564
F1 2,508,977 1.0450 2,400,935 4 9 .002280474
Random Totals: 64,302,292   66,878,963 79 1,464  
Catg J Exception Values: 3,292,831   3,706,197      
Catg D1 Exception Values: 2,648,682   2,404,330      
Catg F1 Exception Values: 1,495,165   1,451,961      
Total Test Values (4): 71,738,970   74,441,451      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 3,722,073

Confidence Interval Values (5)

State Lower Limit: 70,719,378 (State Test Value minus Margin of Error Percent)
Local Test Value: 71,738,970 (Within Confidence Interval)
State Upper Limit: 78,163,524 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 63,640,980 (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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