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2010 Confidence Interval Detail
011/Bastrop
011-901/Bastrop ISD

Category Summary

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

Stratum
Variance
A 344,487,854 0.9703 355,032,314 53 4,584 .018929907
A 350,547,270 0.9894 354,302,881 85 2,833 .008102640
A 353,824,244 0.9805 360,861,034 65 2,055 .007369543
A 369,110,672 1.0322 357,596,078 37 1,219 .008079408
D3 331,423,202 0.9761 339,538,164 41 8,155 .011977286
F1 84,739,511 0.9840 86,117,389 10 294 .001362044
F1 101,589,902 0.9503 106,902,980 11 101 .007435605
F1 126,558,101 0.9805 129,075,065 9 39 .001601724
F1 76,154,824 0.9625 79,121,895 3 4 .000030623
Random Totals: 2,138,435,580   2,168,547,800 314 19,284  
Catg J Exception Values: 19,694,331   20,455,185      
Catg D1 Exception Values: 14,901,189   13,806,641      
Total Test Values (4): 2,173,031,100   2,202,809,626      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 110,140,481

Confidence Interval Values (5)

State Lower Limit: 2,092,669,145 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,173,031,100 (Within Confidence Interval)
State Upper Limit: 2,312,950,107 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,677,709,399 (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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