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2009 Confidence Interval Detail
158/Matagorda
158-905/Palacios ISD

Category Summary

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

Stratum
Variance
A 32,347,228 0.9673 33,440,740 16 783 .039353407
A 33,534,377 0.9662 34,707,490 15 392 .032443693
A 33,768,180 1.0198 33,112,551 17 244 .028866950
A 35,376,946 0.9872 35,835,642 15 135 .009148060
C 5,410,858 1.1802 4,584,696 7 1,196 .034519792
C 11,506,910 0.8950 12,856,883 7 195 .027555957
C 4,351,170 0.8851 4,916,021 6 23 .013228599
D3 38,161,324 0.9429 40,472,292 15 2,084 .026279778
F1 5,662,898 0.9398 6,025,642 8 92 .032521478
F1 6,291,620 0.8897 7,071,620 7 38 .009112566
F1 5,007,660 0.8793 5,695,053 5 16 .025650514
F1 6,971,440 0.9690 7,194,469 4 9 .002296896
G1 10,239,860 1.0370 9,874,503 8 13 .024032856
G1 10,638,290 1.0392 10,237,000 4 5 .020797614
Random Totals: 239,268,761   246,024,602 134 5,225  
Catg J Exception Values: 17,037,425   17,639,110      
Catg D1 Exception Values: 13,733,165   15,379,396      
Catg C Exception Values: 108,320   114,231      
Catg G1 Exception Values: 65,738,370   64,440,827      
Total Test Values (4): 335,886,041   343,598,166      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,179,908

Confidence Interval Values (5)

State Lower Limit: 326,418,258 (State Test Value minus Margin of Error Percent)
Local Test Value: 335,886,041 (Within Confidence Interval)
State Upper Limit: 360,778,074 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,441,504,888 (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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