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2006 Confidence Interval Detail
073/Falls
073-903/Marlin ISD

Category Summary

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

Stratum
Variance
A 19,737,173 1.0149 19,447,407 15 973 .069499937
A 19,730,078 0.9529 20,705,298 15 496 .079258472
A 19,754,786 1.0254 19,265,444 15 323 .062269375
A 19,693,190 1.0809 18,219,252 16 201 .023956765
D3 24,236,920 0.9010 26,900,022 23 3,106 .015162472
F1 3,998,604 0.9493 4,212,161 10 139 .015083167
F1 4,096,850 0.8167 5,016,346 6 50 .078229226
F1 4,186,515 0.9607 4,357,776 6 18 .012749281
F1 3,665,153 0.9936 3,688,761 3 6 .076510238
L1 3,303,684 0.9840 3,357,402 8 139 .028371752
L1 3,486,620 1.0218 3,412,233 6 26 .025667492
L1 4,272,883 1.0011 4,268,188 4 7 .047940112
Random Totals: 130,162,456   132,850,290 127 5,484  
Catg J Exception Values: 20,943,087   21,313,044      
Catg D1 Exception Values: 21,977,130   18,302,118      
Catg L1 Exception Values: 2,391,500   2,316,233      
Total Test Values (4): 175,474,173   174,781,685      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,739,084

Confidence Interval Values (5)

State Lower Limit: 166,042,601 (State Test Value minus Margin of Error Percent)
Local Test Value: 175,474,173 (Within Confidence Interval)
State Upper Limit: 183,520,769 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 166,777,558 (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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