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2008 Confidence Interval Detail
194/Red River
194-904/Clarksville ISD

Category Summary

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

Stratum
Variance
A 14,128,300 1.0544 13,399,374 9 804 .071212765
A 16,374,130 0.9812 16,687,862 7 479 .021812099
A 12,250,380 0.9796 12,505,492 7 214 .001661259
A 23,610,180 0.9649 24,469,043 7 249 .003873683
D3 50,551,980 1.0374 48,729,497 23 4,668 .014334934
F1 3,628,830 0.8421 4,309,263 7 109 .046601751
F1 4,137,820 0.9415 4,394,923 6 38 .020752753
F1 4,292,540 0.9598 4,472,328 7 13 .014071940
F1 2,018,500 0.8621 2,341,376 2 2 .032287788
G1 17,948,639 0.9864 18,196,106 3 5 .002315907
L1 2,076,190 0.9467 2,193,081 7 89 .024950202
L1 2,003,490 1.1901 1,683,464 7 26 .093448272
L1 1,706,310 0.7715 2,211,679 5 9 .102791988
Random Totals: 154,727,289   155,593,488 97 6,705  
Catg D1 Exception Values: 30,735,390   32,598,773      
Catg L1 Exception Values: 683,200   635,570      
Total Test Values (4): 186,145,879   188,827,831      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 9,441,392

Confidence Interval Values (5)

State Lower Limit: 179,386,439 (State Test Value minus Margin of Error Percent)
Local Test Value: 186,145,879 (Within Confidence Interval)
State Upper Limit: 198,269,223 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 190,767,272 (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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