Quick Start for:

2007 Confidence Interval Detail
008/Austin
008-902/Sealy ISD

Category Summary

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

Stratum
Variance
A 87,444,198 0.8582 101,892,564 23 1,089 .039169868
A 87,426,837 0.9349 93,514,640 26 665 .016309645
A 87,525,648 1.0004 87,490,652 29 481 .010935054
A 87,174,983 0.9909 87,975,561 14 310 .004638390
D3 129,414,403 0.9645 134,177,712 43 11,768 .023743470
F1 20,227,689 0.8976 22,535,304 7 143 .029992881
F1 20,354,487 0.9380 21,699,880 6 54 .003459409
F1 19,812,139 0.8803 22,506,122 5 25 .001812631
F1 19,871,203 0.9694 20,498,456 4 10 .017109190
G1 14,703,780 0.7970 18,448,908 5 18 .054597278
G1 13,463,930 0.9601 14,023,466 4 7 .007181165
G1 15,774,910 1.1228 14,049,617 3 4 .001026575
Random Totals: 603,194,207   638,812,882 169 14,574  
Catg J Exception Values: 27,497,986   27,037,993      
Catg D1 Exception Values: 13,895,675   11,466,260      
Catg G1 Exception Values: 9,976,460   9,303,677      
Total Test Values (4): 654,564,328   686,620,812      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 34,331,041

Confidence Interval Values (5)

State Lower Limit: 652,289,771 (State Test Value minus Margin of Error Percent)
Local Test Value: 654,564,328 (Within Confidence Interval)
State Upper Limit: 720,951,853 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 947,127,105 (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

Required Plug-ins