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2006 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 27,970,697 1.1712 23,882,084 9 634 .066012944
A 27,866,495 1.1603 24,016,629 9 361 .092037413
A 28,002,588 1.0178 27,512,859 12 258 .047675964
A 27,824,967 1.0549 26,376,876 11 164 .040331738
D3 46,130,389 1.1002 41,929,094 22 2,303 .060159553
G1 37,307,480 1.1467 32,534,647 21 44 .120826042
Random Totals: 195,102,616   176,252,189 84 3,764  
Catg D1 Exception Values: 8,066,130   5,135,939      
Catg G1 Exception Values: 222,964,909   223,463,727      
Total Test Values (4): 426,133,655   404,851,855      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 20,242,593

Confidence Interval Values (5)

State Lower Limit: 384,609,262 (State Test Value minus Margin of Error Percent)
State Upper Limit: 425,094,448 (State Test Value plus Margin of Error Percent)
Local Test Value: 426,133,655 (Outside Confidence Interval)
Value Assigned (6): 555,050,926 (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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