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2009 Confidence Interval Detail
159/Maverick
159-901/Eagle Pass ISD

Category Summary

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

Stratum
Variance
A 193,546,683 0.9943 194,656,223 8 4,801 .025689367
A 198,569,450 0.9455 210,015,283 7 2,918 .018547971
A 198,521,710 0.9696 204,745,988 11 2,041 .002064589
A 213,223,010 0.9773 218,175,596 30 1,317 .002191052
C 27,011,750 0.8786 30,744,081 7 2,071 .085922444
C 25,320,571 0.9690 26,130,620 11 1,100 .013009875
C 26,534,642 1.0237 25,920,330 7 389 .045728329
C 23,922,920 1.0193 23,469,950 6 62 .011834670
D3 100,143,407 0.8724 114,790,700 10 5,235 .026734797
F1 66,553,803 0.9227 72,129,406 7 543 .004195367
F1 62,847,560 0.8840 71,094,525 7 150 .025560187
F1 78,118,480 0.9850 79,308,102 6 58 .003754780
F1 66,171,530 0.9411 70,312,964 3 5 .000323086
G1 26,986,735 1.0124 26,656,198 6 28 .008951893
G1 70,046,781 1.2040 58,178,390 2 3 .000047272
L1 34,013,750 1.0380 32,768,545 7 485 .003742952
L1 37,358,690 1.0179 36,701,729 6 86 .009926438
L1 62,724,430 0.9988 62,799,790 6 15 .000034369
Random Totals: 1,511,615,902   1,558,598,420 147 21,307  
Catg D1 Exception Values: 54,611,970   60,114,343      
Catg G1 Exception Values: 112,436,640   108,254,902      
Catg L1 Exception Values: 47,950,000   47,950,000      
Total Test Values (4): 1,726,614,512   1,774,917,665      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 88,745,883

Confidence Interval Values (5)

State Lower Limit: 1,686,171,782 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,726,614,512 (Within Confidence Interval)
State Upper Limit: 1,863,663,548 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,679,391,481 (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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