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2010 Confidence Interval Detail
019/Bowie
019-905/New Boston ISD

Category Summary

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

Stratum
Variance
A 39,311,164 1.0245 38,371,073 13 858 .016177270
A 39,223,897 1.0279 38,159,254 11 505 .017826456
A 38,089,092 0.9912 38,427,252 11 345 .001210377
A 40,221,597 0.9407 42,757,093 10 228 .006017550
D3 53,226,881 1.0238 51,989,530 21 1,855 .052447107
F1 14,328,991 0.8956 15,999,320 11 102 .117394430
F1 14,759,718 0.9545 15,463,298 8 30 .009901399
F1 16,630,589 0.9150 18,175,507 6 13 .112082934
L1 3,185,810 0.9551 3,335,577 9 81 .140660361
L1 3,397,652 1.0085 3,369,015 7 24 .011471769
L1 3,235,743 1.0351 3,126,020 4 11 .000268218
L1 8,808,106 1.1216 7,853,162 2 7 .002303195
Random Totals: 274,419,240   277,026,101 113 4,059  
Catg J Exception Values: 7,567,189   6,801,074      
Catg D1 Exception Values: 5,852,276   5,112,113      
Catg F1 Exception Values: 13,031,611   13,092,032      
Catg L1 Exception Values: 16,906,993   16,676,167      
Total Test Values (4): 317,777,309   318,707,487      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,935,374

Confidence Interval Values (5)

State Lower Limit: 302,772,113 (State Test Value minus Margin of Error Percent)
Local Test Value: 317,777,309 (Within Confidence Interval)
State Upper Limit: 334,642,861 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 332,932,737 (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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