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2011 Confidence Interval Detail
133/Kerr
133-901/Center Point ISD

Category Summary

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

Stratum
Variance
A 18,490,012 0.9298 19,886,010 11 347 .024306212
A 19,480,907 0.9713 20,056,529 15 195 .066690249
A 19,457,349 0.9970 19,515,897 11 113 .008940029
A 18,897,528 0.9599 19,686,976 11 65 .007310041
D3 133,153,325 0.9899 134,511,895 17 2,146 .004946650
F1 7,656,786 0.9486 8,071,670 11 44 .014080770
F1 7,096,025 1.0142 6,996,672 3 5 .003997237
Random Totals: 224,231,932   228,725,649 79 2,915  
Catg D1 Exception Values: 3,261,627   3,768,383      
Total Test Values (4): 227,493,559   232,494,032      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 11,624,702

Confidence Interval Values (5)

State Lower Limit: 220,869,330 (State Test Value minus Margin of Error Percent)
Local Test Value: 227,493,559 (Within Confidence Interval)
State Upper Limit: 244,118,734 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 220,539,592 (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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