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2007 Confidence Interval Detail
230/Upshur
230-905/Harmony ISD

Category Summary

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

Stratum
Variance
A 57,307,286 0.9499 60,329,809 16 716 .010210134
A 57,179,849 0.9957 57,426,784 12 446 .010628959
A 57,422,810 0.9907 57,961,855 12 326 .015163966
A 57,062,023 0.9905 57,609,311 8 198 .014345893
D3 91,914,491 0.9302 98,811,536 20 3,222 .167415791
G1 18,000,009 1.0085 17,848,298 6 41 .011422589
G1 17,710,845 0.9922 17,850,076 5 25 .014772619
G1 18,564,532 0.9419 19,709,663 5 19 .037691686
G1 16,887,573 1.0236 16,498,215 4 12 .003502831
Random Totals: 392,049,418   404,045,547 88 5,005  
Catg D1 Exception Values: 6,263,265   5,391,461      
Total Test Values (4): 398,312,683   409,437,008      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,471,850

Confidence Interval Values (5)

State Lower Limit: 388,965,158 (State Test Value minus Margin of Error Percent)
Local Test Value: 398,312,683 (Within Confidence Interval)
State Upper Limit: 429,908,858 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 360,528,158 (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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