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2007 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 344,502,778 0.9298 370,512,775 51 3,661 .031521208
A 344,388,595 0.9264 371,749,347 55 2,182 .100718735
A 344,406,849 0.9570 359,881,765 54 1,514 .010844119
A 344,427,180 0.9669 356,217,996 53 884 .008256755
D3 228,976,263 0.9874 231,898,180 24 3,391 .066087214
F1 73,755,478 0.9600 76,828,623 12 400 .012139328
F1 74,247,280 0.9865 75,263,335 12 142 .027956814
F1 74,782,639 0.8460 88,395,554 11 54 .067352010
F1 72,000,761 0.9011 79,903,186 10 21 .006103852
Random Totals: 1,901,487,823   2,010,650,761 282 12,249  
Catg D1 Exception Values: 4,114,507   4,141,194      
Total Test Values (4): 1,905,602,330   2,014,791,955      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 100,739,598

Confidence Interval Values (5)

Local Test Value: 1,905,602,330 (Outside Confidence Interval)
State Lower Limit: 1,914,052,357 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,115,531,553 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,927,453,253 (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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