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2012 Confidence Interval Detail
125/Jim Wells
066-902/San Diego ISD

Category Summary

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

Stratum
Variance
A 1,538,310 0.8907 1,727,080 9 103 .022108437
A 1,470,166 0.9262 1,587,309 9 55 .007511490
A 1,563,090 0.9513 1,643,109 8 34 .038670383
A 1,831,419 1.0467 1,749,708 6 19 .013143588
D3 10,291,296 0.9745 10,560,591 16 575 .016274783
F1 5,093,960 0.9528 5,346,306 11 48 .045417047
L1 1,900,287 1.0309 1,843,328 11 41 .017150334
Random Totals: 23,688,528   24,457,431 70 875  
Catg J Exception Values: 863,840   868,843      
Catg D1 Exception Values: 2,144,186   2,133,871      
Total Test Values (4): 26,696,554   27,460,145      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,373,007

Confidence Interval Values (5)

State Lower Limit: 26,087,138 (State Test Value minus Margin of Error Percent)
Local Test Value: 26,696,554 (Within Confidence Interval)
State Upper Limit: 28,833,152 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 25,900,848 (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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