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2011 Confidence Interval Detail
056/Dallam
056-902/Texline ISD

Category Summary

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

Stratum
Variance
A 1,178,240 0.9605 1,226,694 10 63 .004580070
A 1,212,150 0.9974 1,215,310 10 35 .009295736
A 1,211,660 0.9426 1,285,445 10 24 .003954263
A 1,203,990 0.9525 1,264,031 10 16 .011606118
D3 12,167,665 0.9580 12,701,112 16 1,237 .001203467
Random Totals: 16,973,705   17,692,592 56 1,375  
Catg J Exception Values: 163,227   148,143      
Catg D1 Exception Values: 26,091,782   42,239,630      
Total Test Values (4): 43,228,714   60,080,365      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,004,018

Confidence Interval Values (5)

Local Test Value: 43,228,714 (Outside Confidence Interval)
State Lower Limit: 57,076,347 (State Test Value minus Margin of Error Percent)
State Upper Limit: 63,084,383 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 107,672,515 (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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