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2006 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 68,460,667 0.9255 73,971,547 13 895 .017664383
A 68,387,269 0.9433 72,497,900 9 645 .009117820
A 68,307,171 0.9665 70,674,776 27 496 .002051945
A 68,334,496 1.0015 68,232,148 46 339 .003658533
D3 57,891,689 0.9868 58,666,081 16 1,804 .056259309
Random Totals: 331,381,292   344,042,452 111 4,179  
Catg D1 Exception Values: 5,486,804   6,536,226      
Total Test Values (4): 336,868,096   350,578,678      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,528,934

Confidence Interval Values (5)

State Lower Limit: 333,049,744 (State Test Value minus Margin of Error Percent)
Local Test Value: 336,868,096 (Within Confidence Interval)
State Upper Limit: 368,107,612 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 356,732,232 (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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