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2010 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 140,567,043 0.9700 144,914,477 39 1,254 .011394239
A 143,806,702 0.9937 144,718,428 28 883 .010685186
A 146,883,260 1.0006 146,795,183 25 633 .009793917
A 146,934,243 1.0330 142,240,313 11 322 .009558859
F1 34,316,265 0.8856 38,749,170 10 63 .021268177
F1 34,347,592 0.9774 35,141,797 7 21 .007982054
F1 31,546,467 0.9388 33,602,969 4 8 .007588038
Random Totals: 678,401,572   686,162,337 124 3,184  
Catg J Exception Values: 4,631,810   4,077,082      
Catg D1 Exception Values: 4,213,166   3,812,246      
Catg F1 Exception Values: 31,004,589   27,900,000      
Total Test Values (4): 718,251,137   721,951,665      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 36,097,583

Confidence Interval Values (5)

State Lower Limit: 685,854,082 (State Test Value minus Margin of Error Percent)
Local Test Value: 718,251,137 (Within Confidence Interval)
State Upper Limit: 758,049,248 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 801,349,431 (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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