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2012 Confidence Interval Detail
109/Hill
109-911/Whitney ISD

Category Summary

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

Stratum
Variance
A 83,670,935 1.0089 82,932,833 19 1,713 .018612059
A 83,607,005 1.0356 80,732,913 16 792 .007674031
A 83,998,630 0.9872 85,087,753 10 459 .013302477
A 86,342,610 0.9657 89,409,351 11 252 .008568352
C 23,330,636 1.0564 22,085,040 10 2,940 .014280970
C 15,336,860 1.0048 15,263,595 10 1,296 .004105392
C 24,649,400 0.9943 24,790,707 11 1,154 .008673151
C 14,142,680 0.9685 14,602,664 11 293 .025156964
D3 54,461,023 1.0394 52,396,597 15 2,033 .091050959
F1 15,609,200 0.8635 18,076,665 10 152 .051734373
F1 14,714,160 0.9173 16,040,728 8 51 .013477142
F1 14,419,470 0.9877 14,599,038 7 25 .003391832
F1 15,635,090 0.7869 19,869,221 5 10 .063101193
Random Totals: 529,917,699   535,887,105 143 11,170  
Catg D1 Exception Values: 3,710,209   2,822,501      
Total Test Values (4): 533,627,908   538,709,606      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,935,480

Confidence Interval Values (5)

State Lower Limit: 511,774,126 (State Test Value minus Margin of Error Percent)
Local Test Value: 533,627,908 (Within Confidence Interval)
State Upper Limit: 565,645,086 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 528,822,452 (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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