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2009 Confidence Interval Detail
037/Cherokee
037-901/Alto ISD

Category Summary

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

Stratum
Variance
A 7,450,490 0.8777 8,488,652 13 282 .072821555
A 7,301,890 0.9967 7,326,066 13 144 .021772508
A 8,028,430 0.9634 8,333,434 11 104 .023292063
A 8,522,170 1.1178 7,624,056 12 67 .023825784
D3 50,623,140 0.9075 55,783,074 20 3,029 .021980103
G1 13,580,776 0.9710 13,986,381 9 55 .001804765
G1 13,097,292 1.0003 13,093,364 9 27 .004788883
G1 14,049,379 1.0760 13,057,044 5 16 .020274537
G1 12,447,900 0.9855 12,631,050 4 8 .001678765
Random Totals: 135,101,467   140,323,121 96 3,732  
Catg J Exception Values: 4,861,546   3,901,590      
Catg D1 Exception Values: 13,999,960   13,684,016      
Total Test Values (4): 153,962,973   157,908,727      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,895,436

Confidence Interval Values (5)

State Lower Limit: 150,013,291 (State Test Value minus Margin of Error Percent)
Local Test Value: 153,962,973 (Within Confidence Interval)
State Upper Limit: 165,804,163 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 157,947,037 (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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