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2007 Confidence Interval Detail
198/Robertson
198-903/Franklin ISD

Category Summary

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

Stratum
Variance
D3 65,402,630 0.5980 109,368,946 10 4,339 .245162584
G1 260,766,804 1.0284 253,565,543 13 221 .014560161
G1 268,146,483 1.0076 266,123,941 12 84 .004295283
G1 256,376,671 1.0042 255,304,393 6 10 .000105872
G1 256,985,989 1.0745 239,167,975 3 4 .025458741
Random Totals: 1,107,678,577   1,123,530,798 44 4,658  
Catg J Exception Values: 21,023,847   20,461,685      
Catg D1 Exception Values: 12,863,370   13,929,248      
Total Test Values (4): 1,141,565,794   1,157,921,731      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 57,896,087

Confidence Interval Values (5)

State Lower Limit: 1,100,025,644 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,141,565,794 (Within Confidence Interval)
State Upper Limit: 1,215,817,818 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,388,630,998 (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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