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2007 Confidence Interval Detail
119/Jack
119-903/Perrin-Whitt CISD

Category Summary

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

Stratum
Variance
D3 53,512,610 0.9852 54,316,494 32 2,757 .033552886
G1 12,271,530 0.9373 13,092,425 12 122 .106319992
G1 12,418,990 1.0310 12,045,577 10 46 .032627008
G1 12,035,140 1.0185 11,816,534 8 19 .004483430
G1 12,001,639 0.9611 12,487,399 5 8 .034062113
Random Totals: 102,239,909   103,758,429 67 2,952  
Catg J Exception Values: 3,913,194   4,151,714      
Catg D1 Exception Values: 7,188,000   7,298,687      
Total Test Values (4): 113,341,103   115,208,830      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 5,760,442

Confidence Interval Values (5)

State Lower Limit: 109,448,388 (State Test Value minus Margin of Error Percent)
Local Test Value: 113,341,103 (Within Confidence Interval)
State Upper Limit: 120,969,272 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 143,876,334 (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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