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2008 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 6,193,230 0.9944 6,228,107 7 162 .004718002
A 8,562,000 0.9546 8,969,202 7 134 .007993268
A 8,701,260 1.0020 8,683,892 6 92 .006671468
A 10,182,170 0.9922 10,262,215 6 63 .018037047
D3 104,130,452 1.0558 98,627,062 34 4,257 .020819515
G1 13,861,190 1.0063 13,774,411 8 35 .000989384
G1 13,080,516 0.9960 13,133,048 5 14 .000078532
G1 14,464,285 1.0024 14,429,654 4 10 .000054753
G1 12,181,938 1.0050 12,121,331 4 5 .000969235
Random Totals: 191,357,041   186,228,922 81 4,772  
Catg J Exception Values: 29,726,860   31,286,242      
Catg D1 Exception Values: 10,849,378   11,184,372      
Total Test Values (4): 231,933,279   228,699,536      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 11,434,977

Confidence Interval Values (5)

State Lower Limit: 217,264,559 (State Test Value minus Margin of Error Percent)
Local Test Value: 231,933,279 (Within Confidence Interval)
State Upper Limit: 240,134,513 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 397,861,481 (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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