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2006 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 35,695,405 0.8899 40,111,704 7 1,794 .017923544
A 35,689,521 1.0102 35,329,164 11 860 .030285554
A 35,633,800 1.1025 32,320,907 11 511 .043235319
A 35,669,874 1.0617 33,596,943 14 269 .038723280
D3 34,767,725 0.9165 37,935,325 21 1,659 .056738945
F1 13,374,382 0.8828 15,149,957 15 265 .091545421
F1 13,796,202 0.9901 13,934,150 7 60 .009606909
F1 12,878,268 1.0290 12,515,324 6 16 .011535660
F1 13,264,457 1.1001 12,057,501 4 6 .030985626
L1 10,867,454 0.9787 11,103,969 7 238 .006835914
L1 11,094,028 0.9961 11,137,464 9 45 .001305776
L1 10,901,876 1.0000 10,901,876 7 11 .002911648
L1 10,580,096 0.9750 10,851,381 2 3 .000766999
Random Totals: 274,213,088   276,945,665 121 5,737  
Catg J Exception Values: 34,343,795   34,435,451      
Catg D1 Exception Values: 9,177,514   9,641,689      
Total Test Values (4): 317,734,397   321,022,805      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,051,140

Confidence Interval Values (5)

State Lower Limit: 304,971,665 (State Test Value minus Margin of Error Percent)
Local Test Value: 317,734,397 (Within Confidence Interval)
State Upper Limit: 337,073,945 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 475,732,785 (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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