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2011 Confidence Interval Detail
221/Taylor
221-911/Jim Ned CISD

Category Summary

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

Stratum
Variance
A 28,109,043 0.9780 28,741,353 13 518 .004713607
A 26,193,386 0.9689 27,034,148 13 236 .005761389
A 28,699,860 1.0088 28,449,504 12 161 .004786932
A 31,178,744 1.0318 30,217,817 14 116 .006724082
D3 111,958,129 0.9988 112,092,640 27 3,566 .043952795
G1 6,350,770 1.1019 5,763,472 7 29 .033770051
G1 6,297,990 0.9195 6,849,364 5 11 .066950926
G1 6,643,258 1.0095 6,580,741 4 6 .000397505
G1 5,344,230 1.0047 5,319,230 2 3 .009433954
Random Totals: 250,775,410   251,048,269 97 4,646  
Catg J Exception Values: 14,597,457   14,832,363      
Catg D1 Exception Values: 13,883,496   14,838,181      
Total Test Values (4): 279,256,363   280,718,813      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 14,035,941

Confidence Interval Values (5)

State Lower Limit: 266,682,872 (State Test Value minus Margin of Error Percent)
Local Test Value: 279,256,363 (Within Confidence Interval)
State Upper Limit: 294,754,754 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 355,534,070 (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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