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2007 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 78,717,907 0.9117 86,341,896 30 2,227 .103510410
A 78,773,573 0.9439 83,455,422 26 1,173 .067160718
A 78,631,178 0.9540 82,422,618 30 844 .013408097
A 78,621,526 0.9621 81,718,663 29 470 .008280245
D3 78,797,140 0.9738 80,917,170 27 2,681 .053460634
F1 21,874,804 0.8569 25,527,838 14 266 .108002224
F1 21,987,310 0.9247 23,777,777 8 83 .066345491
F1 22,003,132 1.0117 21,748,673 7 35 .002264584
F1 21,201,805 0.9481 22,362,414 6 9 .005754580
L1 11,743,005 1.0496 11,188,076 9 309 .008679479
L1 11,817,281 1.0058 11,749,136 9 68 .002987783
L1 11,577,980 1.0455 11,074,108 8 20 .005591721
L1 11,655,805 1.0000 11,655,805 2 3 .001240063
Random Totals: 527,402,446   553,939,596 205 8,188  
Catg D1 Exception Values: 4,545,720   4,199,056      
Total Test Values (4): 531,948,166   558,138,652      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 27,906,933

Confidence Interval Values (5)

State Lower Limit: 530,231,719 (State Test Value minus Margin of Error Percent)
Local Test Value: 531,948,166 (Within Confidence Interval)
State Upper Limit: 586,045,585 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 609,522,591 (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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