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2011 Confidence Interval Detail
241/Wharton
241-903/El Campo ISD

Category Summary

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

Stratum
Variance
A 112,031,669 1.0162 110,245,689 18 1,925 .017489913
A 108,381,461 1.0042 107,928,163 17 1,001 .006087600
A 117,081,251 0.9893 118,347,570 14 770 .005228068
A 116,686,425 0.9985 116,861,718 10 475 .008420205
D3 103,068,504 0.9741 105,808,956 15 5,810 .015750036
F1 26,631,001 1.0882 24,472,524 10 266 .009274179
F1 25,859,081 0.9803 26,378,742 9 99 .052287908
F1 24,908,218 0.9837 25,320,949 8 35 .012472886
F1 26,276,902 1.0399 25,268,682 5 12 .024953817
G1 56,567,620 0.9883 57,237,296 9 87 .018633608
G1 57,772,130 1.0268 56,264,248 7 27 .003620970
G1 56,761,287 0.9748 58,228,649 5 10 .011611383
G1 50,962,920 0.9993 50,998,619 3 4 .001696986
L1 14,793,711 0.9098 16,260,399 10 280 .047392272
L1 14,963,464 1.1213 13,344,746 11 57 .031393929
L1 18,387,694 0.9623 19,108,068 6 20 .005521363
Random Totals: 931,133,338   932,075,018 157 10,878  
Catg J Exception Values: 15,071,927   15,580,703      
Catg D1 Exception Values: 68,287,210   79,567,872      
Catg L1 Exception Values: 9,639,529   9,744,394      
Total Test Values (4): 1,024,132,004   1,036,967,987      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 51,848,399

Confidence Interval Values (5)

State Lower Limit: 985,119,588 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,024,132,004 (Within Confidence Interval)
State Upper Limit: 1,088,816,386 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,113,342,043 (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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