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2012 Confidence Interval Detail
177/Nolan
177-902/Sweetwater ISD

Category Summary

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

Stratum
Variance
A 49,438,890 0.9224 53,598,103 15 1,705 .269859308
A 52,351,760 0.9305 56,261,967 11 907 .152097507
A 55,318,160 0.9645 57,354,235 13 544 .042997942
A 68,029,960 1.1610 58,596,003 10 356 .034100511
D3 34,036,340 1.0313 33,003,336 16 1,025 .016839726
F1 18,474,080 0.9407 19,638,652 15 283 .043058910
F1 18,478,900 0.9586 19,276,966 10 71 .004712574
F1 19,069,450 0.9013 21,157,717 7 22 .051310533
G1 47,569,098 0.9612 49,489,282 9 38 .005303049
L1 13,768,070 1.0280 13,393,064 9 169 .004902046
L1 15,553,890 1.0428 14,915,506 8 32 .002542141
L1 13,110,870 0.9786 13,397,578 4 6 .029852293
Random Totals: 405,199,468   410,082,409 127 5,158  
Catg J Exception Values: 41,489,350   43,052,577      
Catg D1 Exception Values: 4,933,680   5,095,863      
Catg F1 Exception Values: 17,298,174   16,578,249      
Catg G1 Exception Values: 33,134,882   32,498,754      
Catg L1 Exception Values: 15,502,789   15,835,039      
Total Test Values (4): 517,558,343   523,142,891      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 26,157,145

Confidence Interval Values (5)

State Lower Limit: 496,985,746 (State Test Value minus Margin of Error Percent)
Local Test Value: 517,558,343 (Within Confidence Interval)
State Upper Limit: 549,300,036 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 657,730,810 (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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