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2011 Confidence Interval Detail
133/Kerr
133-903/Kerrville ISD

Category Summary

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

Stratum
Variance
A 407,995,912 0.9866 413,537,312 55 3,948 .019137074
A 406,346,382 1.0080 403,121,411 55 2,393 .005069021
A 384,788,153 0.9883 389,343,472 47 1,531 .005678508
A 413,562,192 1.0057 411,218,248 37 920 .005742799
D3 295,437,487 0.9649 306,184,565 26 3,698 .052375754
F1 78,517,715 0.9078 86,492,306 11 410 .007707064
F1 78,046,342 0.9433 82,737,562 10 147 .051052097
F1 82,703,734 0.9106 90,823,341 9 64 .014811251
F1 77,791,493 0.7745 100,440,921 8 24 .145095067
Random Totals: 2,225,189,410   2,283,899,138 258 13,135  
Catg D1 Exception Values: 4,317,015   5,074,378      
Total Test Values (4): 2,229,506,425   2,288,973,516      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 114,448,676

Confidence Interval Values (5)

State Lower Limit: 2,174,524,840 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,229,506,425 (Within Confidence Interval)
State Upper Limit: 2,403,422,192 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,255,240,858 (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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