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2012 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 43,230,560 1.0393 41,595,843 11 1,131 .030507344
A 43,212,580 1.0368 41,678,800 15 590 .013105260
A 43,954,950 1.0382 42,337,652 13 394 .011496888
A 43,424,420 0.9889 43,911,841 10 235 .020619707
D3 57,577,200 0.9593 60,020,015 15 2,516 .041342465
F1 29,009,970 0.9469 30,636,783 10 190 .009684779
F1 34,005,660 0.8781 38,726,409 9 44 .028257105
F1 28,983,840 1.0300 28,139,650 6 14 .029462260
F1 31,251,380 0.9779 31,957,644 3 5 .003559404
G1 3,517,900 0.8295 4,240,989 7 19 .106295416
G1 3,465,260 0.7923 4,373,672 5 10 .082134992
G1 3,341,633 0.9778 3,417,502 4 7 .095937131
G1 3,268,487 0.9831 3,324,674 3 4 .027192219
L1 17,523,180 1.0545 16,617,525 10 155 .002865130
L1 19,360,690 1.0422 18,576,751 8 32 .005027482
L1 10,844,830 1.0707 10,128,729 5 5 .012642394
L1 21,813,180 1.0071 21,659,398 2 5 .000455751
Random Totals: 437,785,720   441,343,877 136 5,356  
Catg J Exception Values: 32,539,413   35,337,240      
Catg D1 Exception Values: 7,778,551   7,846,563      
Total Test Values (4): 478,103,684   484,527,680      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,226,384

Confidence Interval Values (5)

State Lower Limit: 460,301,296 (State Test Value minus Margin of Error Percent)
Local Test Value: 478,103,684 (Within Confidence Interval)
State Upper Limit: 508,754,064 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 510,764,951 (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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