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2008 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 26,057,610 1.1077 23,524,068 21 1,650 .088751083
G1 19,270,280 1.0125 19,032,375 15 106 .016930364
G1 18,952,340 1.0932 17,336,572 13 32 .043961997
G1 21,666,380 0.9962 21,749,026 8 13 .008626417
Random Totals: 85,946,610   81,642,041 57 1,801  
Catg J Exception Values: 3,184,419   3,449,588      
Catg D1 Exception Values: 5,102,910   5,185,218      
Catg G1 Exception Values: 15,893,825   15,802,602      
Total Test Values (4): 110,127,764   106,079,449      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,303,972

Confidence Interval Values (5)

State Lower Limit: 100,775,477 (State Test Value minus Margin of Error Percent)
Local Test Value: 110,127,764 (Within Confidence Interval)
State Upper Limit: 111,383,421 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 269,143,085 (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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