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2009 Confidence Interval Detail
161/McLennan
161-907/Lorena ISD

Category Summary

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

Stratum
Variance
A 50,433,769 0.9572 52,688,852 14 506 .012314316
A 68,983,856 0.9277 74,360,091 13 518 .003754694
A 68,393,146 1.0173 67,230,066 12 360 .003834157
A 61,957,002 1.0542 58,771,582 8 201 .008065547
D3 73,934,515 0.9996 73,964,101 20 1,445 .026741302
L1 9,199,123 0.9910 9,282,667 8 82 .001971476
L1 7,944,505 0.9744 8,153,228 2 4 .001214099
Random Totals: 340,845,916   344,450,587 77 3,116  
Catg D1 Exception Values: 3,589,645   3,063,408      
Catg L1 Exception Values: 16,762,311   16,846,463      
Total Test Values (4): 361,197,872   364,360,458      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,218,023

Confidence Interval Values (5)

State Lower Limit: 346,142,435 (State Test Value minus Margin of Error Percent)
Local Test Value: 361,197,872 (Within Confidence Interval)
State Upper Limit: 382,578,481 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 353,620,497 (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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