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2009 Confidence Interval Detail
220/Tarrant
220-914/Kennedale ISD

Category Summary

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

Stratum
Variance
A 186,892,422 0.9547 195,760,367 25 1,842 .005901617
A 181,848,231 0.9977 182,267,446 24 1,329 .005670906
A 193,470,453 0.9996 193,547,872 22 1,018 .005818802
A 178,125,292 1.0042 177,380,295 12 558 .006863869
B 12,136,100 1.1079 10,954,147 7 198 .035501102
B 7,090,350 1.0401 6,816,989 7 79 .001079871
B 8,252,373 0.9728 8,483,114 6 54 .000994680
F1 17,780,119 0.8993 19,771,065 8 104 .007483736
F1 15,887,792 0.9622 16,511,943 6 36 .024448973
F1 20,049,933 0.8367 23,963,109 8 21 .034686042
F1 16,439,455 0.9142 17,982,340 3 5 .000711978
Random Totals: 837,972,520   853,438,687 128 5,244  
Catg D1 Exception Values: 72,226   55,234      
Catg B Exception Values: 37,830,538   40,399,000      
Total Test Values (4): 875,875,284   893,892,921      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 44,694,646

Confidence Interval Values (5)

State Lower Limit: 849,198,275 (State Test Value minus Margin of Error Percent)
Local Test Value: 875,875,284 (Within Confidence Interval)
State Upper Limit: 938,587,567 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 990,547,836 (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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