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2010 Confidence Interval Detail
161/McLennan
161-922/Robinson ISD

Category Summary

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

Stratum
Variance
A 78,023,450 0.9757 79,966,639 20 878 .043735219
A 95,427,449 0.9801 97,365,013 13 782 .003585858
A 96,880,109 1.0141 95,533,092 15 603 .013607837
A 94,742,280 0.9711 97,561,816 16 431 .002727161
D3 69,281,940 1.0884 63,654,851 15 1,310 .072643700
F1 8,772,020 0.9246 9,487,368 9 56 .041321575
F1 9,369,001 0.9946 9,419,868 7 15 .009463951
F1 9,045,519 0.9640 9,383,318 4 6 .007624595
F1 10,892,011 0.9747 11,174,732 2 4 .000227497
Random Totals: 472,433,779   473,546,697 101 4,085  
Catg J Exception Values: 11,314,854   12,008,974      
Catg D1 Exception Values: 5,916,675   6,526,691      
Total Test Values (4): 489,665,308   492,082,362      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,604,118

Confidence Interval Values (5)

State Lower Limit: 467,478,244 (State Test Value minus Margin of Error Percent)
Local Test Value: 489,665,308 (Within Confidence Interval)
State Upper Limit: 516,686,480 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 453,160,478 (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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