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2007 Confidence Interval Detail
158/Matagorda
241-901/Boling ISD

Category Summary

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

Stratum
Variance
A 1,088,432 0.9128 1,192,410 6 33 .004305617
A 1,103,390 0.8950 1,232,838 7 22 .003476029
A 1,142,144 0.9113 1,253,313 7 14 .002208944
A 988,602 0.9173 1,077,730 6 8 .005934484
D3 4,038,764 0.9376 4,307,555 19 347 .020054726
Random Totals: 8,361,332   9,063,846 45 424  
Catg J Exception Values: 1,502,570   1,381,137      
Catg D1 Exception Values: 1,657,360   1,771,752      
Catg G1 Exception Values: 5,267,720   5,131,020      
Total Test Values (4): 16,788,982   17,347,755      

Margin of Error

Margin of Error Percent: 5.0000014
Margin of Error Value: 867,388

Confidence Interval Values (5)

State Lower Limit: 16,480,367 (State Test Value minus Margin of Error Percent)
Local Test Value: 16,788,982 (Within Confidence Interval)
State Upper Limit: 18,215,143 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 18,678,676 (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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