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2007 Confidence Interval Detail
107/Henderson
107-906/Malakoff ISD

Category Summary

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

Stratum
Variance
A 177,913,990 1.0047 177,081,706 24 1,918 .018882845
A 177,943,765 0.9796 181,649,413 15 882 .008067157
A 178,047,555 0.9720 183,176,497 23 531 .018767072
A 177,626,712 0.9901 179,402,800 19 271 .024502961
C 12,100,798 0.4933 24,530,302 11 3,438 .366484897
C 12,111,847 0.9822 12,331,345 9 461 .050898358
C 12,141,159 1.0143 11,969,988 7 172 .092322247
C 12,010,709 0.8755 13,718,685 7 80 .085183118
D3 55,560,650 0.9831 56,515,766 10 1,171 .030063614
Random Totals: 815,457,185   840,376,502 125 8,924  
Catg D1 Exception Values: 3,593,660   3,918,162      
Total Test Values (4): 819,050,845   844,294,664      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 42,214,733

Confidence Interval Values (5)

State Lower Limit: 802,079,931 (State Test Value minus Margin of Error Percent)
Local Test Value: 819,050,845 (Within Confidence Interval)
State Upper Limit: 886,509,397 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 834,321,509 (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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