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2012 Confidence Interval Detail
019/Bowie
019-912/Pleasant Grove ISD

Category Summary

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

Stratum
Variance
A 145,242,341 0.9747 149,012,354 33 1,259 .010041815
A 151,232,371 0.9863 153,333,034 29 904 .007268027
A 145,251,089 0.9616 151,051,465 19 607 .003691754
A 135,086,488 0.9615 140,495,567 11 295 .003190794
F1 36,499,001 0.9134 39,959,493 9 68 .005023534
F1 34,498,379 0.9927 34,752,069 7 22 .009291500
F1 35,213,455 0.9212 38,225,635 5 10 .004898427
Random Totals: 683,023,124   706,829,617 113 3,165  
Catg D1 Exception Values: 4,359,027   4,031,510      
Catg F1 Exception Values: 30,617,509   28,180,000      
Total Test Values (4): 717,999,660   739,041,127      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 36,952,056

Confidence Interval Values (5)

State Lower Limit: 702,089,071 (State Test Value minus Margin of Error Percent)
Local Test Value: 717,999,660 (Within Confidence Interval)
State Upper Limit: 775,993,183 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 821,645,184 (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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