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2007 Confidence Interval Detail
109/Hill
109-904/Hillsboro ISD

Category Summary

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

Stratum
Variance
A 40,568,201 0.9113 44,516,845 13 1,170 .015450306
A 40,523,753 0.9976 40,621,244 17 572 .043162700
A 40,615,178 1.0043 40,441,280 19 374 .022613807
A 40,419,550 0.9953 40,610,419 15 224 .008699801
D3 51,683,068 0.9849 52,475,447 19 2,456 .068291677
F1 30,086,324 0.9851 30,541,391 10 191 .019161368
F1 29,789,237 0.9031 32,985,535 9 35 .098095500
F1 29,613,673 0.8829 33,541,367 6 14 .023695960
F1 29,127,391 0.9850 29,570,955 3 5 .000397289
L1 14,351,420 1.0210 14,056,239 8 197 .002024468
L1 14,439,739 0.9699 14,887,864 8 57 .003241453
L1 14,595,010 1.0121 14,420,522 5 17 .000313719
L1 13,638,084 0.9738 14,005,015 3 4 .002032978
Random Totals: 389,450,628   402,674,123 135 5,316  
Catg J Exception Values: 22,506,281   22,348,827      
Catg D1 Exception Values: 8,029,098   6,920,047      
Total Test Values (4): 419,986,007   431,942,997      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 21,597,150

Confidence Interval Values (5)

State Lower Limit: 410,345,847 (State Test Value minus Margin of Error Percent)
Local Test Value: 419,986,007 (Within Confidence Interval)
State Upper Limit: 453,540,147 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 438,339,940 (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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