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2011 Confidence Interval Detail
250/Wood
250-902/Hawkins ISD

Category Summary

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

Stratum
Variance
A 33,294,672 0.8613 38,656,301 10 753 .023239432
A 34,088,200 1.0553 32,301,905 10 417 .017462998
A 33,766,610 0.9448 35,739,426 10 291 .012561094
A 35,843,720 1.1243 31,880,921 10 182 .021316416
D3 49,030,286 0.9662 50,745,483 15 2,327 .070946707
G1 33,367,130 0.9960 33,501,135 7 22 .004167834
Random Totals: 219,390,618   222,825,171 62 3,992  
Catg D1 Exception Values: 5,745,080   5,323,488      
Catg G1 Exception Values: 275,362,368   272,150,149      
Total Test Values (4): 500,498,066   500,298,808      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,014,940

Confidence Interval Values (5)

State Lower Limit: 475,283,868 (State Test Value minus Margin of Error Percent)
Local Test Value: 500,498,066 (Within Confidence Interval)
State Upper Limit: 525,313,748 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 687,672,063 (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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