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2010 Confidence Interval Detail
169/Montague
169-901/Bowie ISD

Category Summary

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

Stratum
Variance
A 52,848,710 0.9481 55,741,704 14 1,161 .055216793
A 54,449,600 0.9834 55,368,721 16 686 .004957311
A 52,932,590 0.9990 52,985,576 14 475 .013564986
A 57,677,660 0.9927 58,101,803 15 282 .005320735
D3 155,540,550 0.9705 160,268,470 26 134,126 .045283222
F1 12,004,460 0.9054 13,258,736 10 195 .038003665
F1 12,090,240 0.9349 12,932,121 9 67 .018885914
F1 12,577,070 0.9045 13,904,997 7 24 .023262857
G1 8,092,370 0.9843 8,221,447 9 68 .017762653
G1 8,387,470 1.0184 8,235,929 7 23 .003543652
G1 8,377,880 1.0215 8,201,547 5 12 .001036536
G1 7,457,830 1.0100 7,383,990 3 5 .002189060
Random Totals: 442,436,430   454,605,041 135 137,124  
Catg J Exception Values: 20,723,271   22,785,270      
Catg D1 Exception Values: 8,503,840   7,696,294      
Catg F1 Exception Values: 11,185,840   10,360,283      
Total Test Values (4): 482,849,381   495,446,888      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,772,344

Confidence Interval Values (5)

State Lower Limit: 470,674,544 (State Test Value minus Margin of Error Percent)
Local Test Value: 482,849,381 (Within Confidence Interval)
State Upper Limit: 520,219,232 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 577,434,305 (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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