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2007 Confidence Interval Detail
245/Willacy
245-903/Raymondville ISD

Category Summary

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

Stratum
Variance
A 20,761,114 0.9778 21,232,475 8 1,094 .010466796
A 20,733,045 0.9730 21,308,371 7 618 .010694827
A 20,743,572 0.9127 22,727,700 7 415 .029785639
A 20,711,313 1.0140 20,425,358 7 223 .008332048
D3 17,696,390 0.9646 18,345,832 11 1,429 .032964140
F1 5,988,968 0.9474 6,321,478 7 121 .020766882
F1 5,956,961 0.9185 6,485,532 6 34 .006843804
F1 6,209,918 1.0113 6,140,530 5 13 .010840598
F1 13,539,290 1.0032 13,496,102 4 7 .001185687
G1 44,159,800 0.8885 49,701,519 5 18 .032509012
G1 40,978,211 1.0395 39,421,078 3 5 .004272720
G1 54,605,935 1.0577 51,627,054 3 4 .002114270
L1 3,654,799 0.9268 3,943,460 7 105 .065664121
L1 3,791,003 0.9564 3,963,826 5 24 .086048953
L1 3,376,556 1.0297 3,279,165 3 6 .000524075
Random Totals: 282,906,875   288,419,480 88 4,116  
Catg D1 Exception Values: 14,460,004   16,335,589      
Catg G1 Exception Values: 23,697,986   22,320,708      
Catg L1 Exception Values: 9,027,982   9,736,099      
Total Test Values (4): 330,092,847   336,811,876      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 16,840,594

Confidence Interval Values (5)

State Lower Limit: 319,971,282 (State Test Value minus Margin of Error Percent)
Local Test Value: 330,092,847 (Within Confidence Interval)
State Upper Limit: 353,652,470 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 342,822,406 (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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