Veteran's Day

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2007 Confidence Interval Detail
125/Jim Wells
125-901/Alice ISD

Category Summary

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

Stratum
Variance
A 77,964,601 0.7951 98,056,346 14 2,295 .049678097
A 77,948,002 0.8411 92,673,882 24 1,294 .018559207
A 77,962,225 0.8930 87,303,723 16 805 .011974888
A 77,807,407 0.9541 81,550,579 17 467 .009644271
D3 72,711,124 0.7605 95,609,631 22 4,827 .312927346
F1 23,287,164 0.9389 24,802,603 7 322 .015739632
F1 23,346,104 0.9636 24,228,003 7 106 .003354049
F1 23,133,653 0.9404 24,599,801 6 39 .004453306
F1 23,068,706 0.9788 23,568,355 5 9 .001320200
L1 16,764,512 0.9739 17,213,792 7 357 .004323032
L1 16,788,108 1.0635 15,785,715 7 81 .003388205
L1 18,225,767 1.0164 17,931,687 6 29 .001518388
L1 15,077,725 1.0168 14,828,604 2 3 .001354646
Random Totals: 544,085,098   618,152,721 140 10,634  
Catg D1 Exception Values: 16,637,090   17,841,727      
Total Test Values (4): 560,722,188   635,994,448      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 31,799,722

Confidence Interval Values (5)

Local Test Value: 560,722,188 (Outside Confidence Interval)
State Lower Limit: 604,194,726 (State Test Value minus Margin of Error Percent)
State Upper Limit: 667,794,170 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 941,739,378 (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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