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2011 Confidence Interval Detail
108/Hidalgo
108-902/Donna ISD

Category Summary

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

Stratum
Variance
A 177,937,882 0.8579 207,410,983 10 5,453 .040518165
A 183,121,550 1.0359 176,775,316 11 3,328 .005097391
A 175,724,034 0.9786 179,566,763 11 2,079 .007977098
A 181,568,475 0.9336 194,482,085 11 1,215 .021235434
C 17,663,255 0.9798 18,027,409 10 1,097 .007892205
C 14,528,969 0.9930 14,631,389 10 600 .003090170
C 17,968,168 0.9873 18,199,299 11 465 .002670862
C 19,043,063 1.0549 18,052,008 10 134 .001730270
F1 29,992,562 1.0025 29,917,768 10 250 .001946813
F1 29,945,307 0.9851 30,398,241 9 97 .001929338
F1 42,570,228 0.9744 43,688,658 10 56 .003714367
F1 25,589,230 1.0144 25,225,976 6 12 .008035694
Random Totals: 915,652,723   956,375,895 119 14,786  
Catg D1 Exception Values: 13,774,681   15,020,073      
Total Test Values (4): 929,427,404   971,395,968      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 48,569,798

Confidence Interval Values (5)

State Lower Limit: 922,826,170 (State Test Value minus Margin of Error Percent)
Local Test Value: 929,427,404 (Within Confidence Interval)
State Upper Limit: 1,019,965,766 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 976,238,450 (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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