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2011 Confidence Interval Detail
249/Wise
249-902/Boyd ISD

Category Summary

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

Stratum
Variance
A 25,475,940 0.9603 26,529,147 9 387 .022882426
A 26,224,180 0.9987 26,258,316 10 250 .011396094
A 26,444,450 0.9727 27,186,645 10 179 .003631729
A 25,993,490 1.0002 25,988,292 10 100 .002937138
D3 115,530,410 0.9830 117,528,393 16 2,612 .058617147
G1 107,433,192 0.9784 109,804,980 11 220 .010304543
G1 107,346,470 1.0179 105,458,758 10 90 .012706521
G1 108,144,618 1.0010 108,036,581 9 45 .015094815
G1 106,538,167 1.0148 104,984,398 7 24 .007053441
Random Totals: 649,130,917   651,775,510 92 3,907  
Catg J Exception Values: 12,956,939   14,049,467      
Catg D1 Exception Values: 2,333,530   2,360,811      
Total Test Values (4): 664,421,386   668,185,788      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 33,409,289

Confidence Interval Values (5)

State Lower Limit: 634,776,499 (State Test Value minus Margin of Error Percent)
Local Test Value: 664,421,386 (Within Confidence Interval)
State Upper Limit: 701,595,077 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 800,573,302 (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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