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2006 Confidence Interval Detail
182/Palo Pinto
182-903/Mineral Wells ISD

Category Summary

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

Stratum
Variance
A 72,226,819 0.9134 79,074,687 50 2,254 .083975711
A 72,183,841 0.9357 77,144,214 38 1,159 .031943938
A 72,266,320 0.9761 74,035,775 56 814 .022196733
A 72,133,829 0.9890 72,936,126 40 466 .014145292
D3 71,540,300 0.8563 83,545,837 30 2,437 .157064820
F1 20,643,859 0.9787 21,093,143 8 273 .013196273
F1 20,549,391 1.0548 19,481,789 6 88 .058246343
F1 21,634,741 1.0419 20,764,700 10 37 .012563568
F1 19,472,138 1.0252 18,993,502 8 10 .002105515
L1 11,017,760 1.0705 10,292,163 7 303 .008598284
L1 11,167,660 0.9958 11,214,762 9 76 .002049391
L1 11,553,987 1.0063 11,481,653 8 23 .002234052
Random Totals: 476,390,645   500,058,351 270 7,940  
Catg D1 Exception Values: 4,233,450   4,134,800      
Catg L1 Exception Values: 12,761,720   12,549,919      
Total Test Values (4): 493,385,815   516,743,070      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 25,837,154

Confidence Interval Values (5)

State Lower Limit: 490,905,916 (State Test Value minus Margin of Error Percent)
Local Test Value: 493,385,815 (Within Confidence Interval)
State Upper Limit: 542,580,224 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 570,246,364 (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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