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2012 Confidence Interval Detail
093/Grimes
093-901/Anderson-Shiro CISD

Category Summary

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

Stratum
Variance
A 8,366,860 1.0464 7,995,852 10 200 .009851765
A 8,581,110 1.0330 8,306,980 9 122 .002439492
A 8,545,400 1.0010 8,536,863 9 80 .001800206
A 9,350,160 1.0376 9,011,334 8 53 .007669490
D3 115,228,905 1.0355 111,278,518 24 4,455 .007797705
G1 6,284,765 0.9835 6,390,203 9 34 .052675460
G1 5,715,093 0.9962 5,736,893 6 13 .007082417
G1 6,201,384 0.9634 6,436,977 4 7 .022564039
Random Totals: 168,273,677   163,693,620 79 4,964  
Catg J Exception Values: 32,489,197   35,345,081      
Catg D1 Exception Values: 10,080,185   10,545,652      
Catg G1 Exception Values: 14,537,486   14,746,861      
Total Test Values (4): 225,380,545   224,331,214      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 11,216,561

Confidence Interval Values (5)

State Lower Limit: 213,114,653 (State Test Value minus Margin of Error Percent)
Local Test Value: 225,380,545 (Within Confidence Interval)
State Upper Limit: 235,547,775 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 525,924,679 (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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