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2006 Confidence Interval Detail
140/Lamb
140-906/Spade ISD

Category Summary

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

Stratum
Variance
A 285,104 0.7182 396,970 5 19 .078734506
A 276,987 0.9305 297,675 4 8 .019722821
A 265,264 0.9925 267,269 3 6 .002128841
A 242,419 1.0722 226,095 3 4 .001459512
D3 2,913,330 0.9663 3,014,933 11 462 .004066109
L1 749,080 1.0989 681,663 5 8 .002385683
Random Totals: 4,732,184   4,884,605 31 507  
Catg J Exception Values: 197,220   185,125      
Catg D1 Exception Values: 5,833,800   7,283,778      
Total Test Values (4): 10,763,204   12,353,508      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 617,675

Confidence Interval Values (5)

Local Test Value: 10,763,204 (Outside Confidence Interval)
State Lower Limit: 11,735,833 (State Test Value minus Margin of Error Percent)
State Upper Limit: 12,971,183 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 12,208,444 (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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