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2006 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 20,124,057 0.9895 20,337,602 7 1,087 .021574769
A 20,101,831 0.8651 23,236,425 9 616 .075890789
A 20,118,914 0.9512 21,151,087 7 418 .021976123
A 20,060,609 1.0107 19,848,233 7 228 .003259590
D3 16,183,565 0.8760 18,474,389 11 1,452 .059430836
F1 8,381,409 0.9640 8,694,408 7 134 .007788899
F1 8,557,693 1.0039 8,524,448 7 38 .011424157
F1 8,595,669 0.9685 8,875,239 5 14 .001794907
G1 49,684,658 1.0377 47,879,597 5 16 .048315838
G1 44,997,532 0.9993 45,029,052 3 5 .000422000
G1 54,734,477 1.0729 51,015,451 2 3 .000167250
L1 4,936,310 0.9230 5,348,115 7 114 .038169407
L1 4,915,306 1.0203 4,817,511 5 23 .001815481
L1 6,296,436 0.9897 6,361,964 4 7 .010275639
Random Totals: 287,688,466   289,593,521 86 4,155  
Catg D1 Exception Values: 14,510,896   16,655,184      
Catg F1 Exception Values: 10,212,268   9,443,934      
Catg G1 Exception Values: 32,014,879   35,709,844      
Catg L1 Exception Values: 4,751,198   5,338,117      
Total Test Values (4): 349,177,707   356,740,600      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,837,030

Confidence Interval Values (5)

State Lower Limit: 338,903,570 (State Test Value minus Margin of Error Percent)
Local Test Value: 349,177,707 (Within Confidence Interval)
State Upper Limit: 374,577,630 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 360,409,563 (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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