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2009 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 129,752,999 0.9440 137,450,211 36 1,209 .010298905
A 149,054,655 0.9861 151,155,720 38 943 .008376280
A 141,655,561 0.9941 142,496,289 32 620 .009839132
A 145,723,072 0.9912 147,016,820 9 326 .019692968
F1 32,832,806 0.9058 36,247,302 6 62 .037223601
F1 32,959,580 0.9810 33,597,941 6 20 .014079936
F1 32,296,273 0.8776 36,800,676 5 8 .010827447
Random Totals: 664,274,946   684,764,959 132 3,188  
Catg D1 Exception Values: 4,302,747   4,128,053      
Catg F1 Exception Values: 29,644,791   38,442,557      
Total Test Values (4): 698,222,484   727,335,569      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 36,366,778

Confidence Interval Values (5)

State Lower Limit: 690,968,791 (State Test Value minus Margin of Error Percent)
Local Test Value: 698,222,484 (Within Confidence Interval)
State Upper Limit: 763,702,347 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 783,615,989 (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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