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2007 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 7,419,554 0.8746 8,483,368 7 193 .041621848
A 7,353,964 0.9062 8,115,167 7 114 .010600871
A 7,473,121 0.8678 8,611,571 6 77 .016991178
A 7,291,488 0.9535 7,647,077 8 45 .026726014
D3 90,770,670 0.9697 93,606,961 37 4,152 .019942545
G1 13,237,457 0.9617 13,764,643 11 35 .042156818
G1 12,901,819 0.9816 13,143,662 7 14 .008112820
G1 12,680,934 0.9973 12,715,265 5 8 .000040823
G1 12,033,426 1.0120 11,890,737 4 5 .000089849
Random Totals: 171,162,433   177,978,451 92 4,643  
Catg J Exception Values: 28,514,990   26,983,295      
Catg D1 Exception Values: 10,578,334   10,312,861      
Total Test Values (4): 210,255,757   215,274,607      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,763,730

Confidence Interval Values (5)

State Lower Limit: 204,510,877 (State Test Value minus Margin of Error Percent)
Local Test Value: 210,255,757 (Within Confidence Interval)
State Upper Limit: 226,038,337 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 382,369,483 (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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