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2009 Confidence Interval Detail
192/Reagan
192-901/Reagan County ISD

Category Summary

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

Stratum
Variance
A 9,345,687 0.7786 12,003,194 7 383 .116129359
A 10,139,070 0.8966 11,308,354 11 210 .026385171
A 9,984,292 0.9230 10,817,218 7 130 .001616226
A 13,048,704 0.9507 13,725,364 8 107 .005174163
G1 306,705,340 1.0654 287,878,112 9 539 .021914927
G1 304,962,219 1.0816 281,954,714 9 164 .006516040
G1 325,094,812 1.0192 318,970,577 9 51 .007647108
Random Totals: 979,280,124   936,657,533 60 1,584  
Catg J Exception Values: 6,772,530   6,070,333      
Catg D1 Exception Values: 14,720,247   30,689,669      
Catg G1 Exception Values: 286,507,681   289,484,451      
Total Test Values (4): 1,287,280,582   1,262,901,986      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 63,145,099

Confidence Interval Values (5)

State Lower Limit: 1,199,756,887 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,287,280,582 (Within Confidence Interval)
State Upper Limit: 1,326,047,085 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,496,600,562 (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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