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2009 Confidence Interval Detail
241/Wharton
241-904/Wharton ISD

Category Summary

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

Stratum
Variance
A 68,990,792 0.9378 73,566,637 12 1,339 .030455062
A 68,633,713 0.9782 70,163,272 17 724 .020503351
A 69,234,484 0.9483 73,009,052 14 534 .011266754
A 72,443,663 0.9831 73,689,007 11 352 .022271920
D3 46,526,007 1.0204 45,595,852 16 2,565 .028401347
F1 19,274,716 0.9481 20,329,834 7 209 .026478713
F1 18,679,604 1.0242 18,238,239 6 68 .016402374
F1 23,082,598 0.9461 24,397,630 5 22 .063679631
F1 14,117,487 1.0006 14,109,022 2 3 .005913663
G1 36,129,082 1.1190 32,286,937 6 29 .026478980
G1 38,294,785 0.6755 56,691,021 3 5 .030419333
L1 8,603,746 1.0088 8,528,693 7 213 .025877995
L1 7,763,731 1.0539 7,366,668 6 42 .016180215
L1 8,405,597 1.0100 8,322,373 5 13 .000168674
Random Totals: 500,180,005   526,294,237 117 6,118  
Catg J Exception Values: 20,518,489   20,608,902      
Catg D1 Exception Values: 22,411,013   21,818,135      
Catg G1 Exception Values: 59,014,620   64,549,266      
Catg L1 Exception Values: 10,111,569   10,225,581      
Total Test Values (4): 612,235,696   643,496,121      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,174,806

Confidence Interval Values (5)

State Lower Limit: 611,321,315 (State Test Value minus Margin of Error Percent)
Local Test Value: 612,235,696 (Within Confidence Interval)
State Upper Limit: 675,670,927 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 859,791,463 (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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