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2009 Confidence Interval Detail
019/Bowie
019-908/Liberty-Eylau ISD

Category Summary

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

Stratum
Variance
A 55,982,268 1.0243 54,654,172 15 1,247 .025608179
A 58,208,138 0.9961 58,436,039 8 787 .028279591
A 67,445,768 1.0040 67,177,060 12 639 .007823184
A 70,245,992 0.9765 71,936,500 15 404 .002752247
C 5,107,818 0.7752 6,589,033 8 760 .149455574
C 5,075,661 0.8845 5,738,452 7 318 .070428717
C 6,004,772 1.0471 5,734,669 7 128 .076916899
C 4,862,260 1.2670 3,837,616 5 18 .020648983
D3 54,340,239 1.0494 51,782,198 19 1,422 .058528023
F1 18,530,862 0.9925 18,670,894 8 119 .015871499
F1 19,373,265 0.8800 22,015,074 6 40 .021748485
F1 21,561,829 0.9768 22,073,945 5 21 .012844297
F1 17,339,228 0.8878 19,530,556 5 7 .021172652
L1 10,961,594 1.0721 10,224,414 7 114 .004602865
L1 14,041,175 1.0000 14,041,175 6 29 .002449249
L1 5,408,112 1.0260 5,271,064 4 4 .002725155
L1 10,809,093 1.0753 10,052,165 3 5 .018288697
Random Totals: 445,298,074   447,765,026 140 6,062  
Catg D1 Exception Values: 2,235,006   1,906,939      
Total Test Values (4): 447,533,080   449,671,965      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 22,483,598

Confidence Interval Values (5)

State Lower Limit: 427,188,367 (State Test Value minus Margin of Error Percent)
Local Test Value: 447,533,080 (Within Confidence Interval)
State Upper Limit: 472,155,563 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 495,178,769 (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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