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2009 Confidence Interval Detail
103/Hartley
056-901/Dalhart CISD

Category Summary

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

Stratum
Variance
A 35,549,420 0.9805 36,256,420 7 374 .016945524
A 36,476,170 0.9785 37,277,639 10 266 .004528379
A 36,983,930 1.0687 34,606,466 7 189 .008602034
A 38,327,550 0.9835 38,970,564 7 111 .008193904
D3 10,666,540 0.9716 10,978,324 10 748 .001278704
G1 15,070,820 1.0133 14,873,009 5 15 .009147760
L1 4,466,190 0.9786 4,563,857 6 57 .002570463
L1 4,273,760 1.0888 3,925,202 6 11 .023295072
L1 3,945,910 0.9940 3,969,728 3 5 .000520644
Random Totals: 185,760,290   185,421,209 61 1,776  
Catg D1 Exception Values: 28,087,930   31,313,496      
Catg G1 Exception Values: 9,935,090   9,777,055      
Catg L1 Exception Values: 3,039,090   3,113,121      
Total Test Values (4): 226,822,400   229,624,881      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,481,244

Confidence Interval Values (5)

State Lower Limit: 218,143,637 (State Test Value minus Margin of Error Percent)
Local Test Value: 226,822,400 (Within Confidence Interval)
State Upper Limit: 241,106,125 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 256,907,112 (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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