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2012 Confidence Interval Detail
093/Grimes
093-905/Richards ISD

Category Summary

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

Stratum
Variance
A 2,299,430 0.9906 2,321,250 9 57 .004478005
A 2,321,590 0.9579 2,423,625 8 26 .019416409
A 2,519,290 0.9663 2,607,151 8 14 .003349489
D3 20,657,919 1.0463 19,743,782 15 693 .008952304
G1 26,643,979 1.0197 26,129,233 12 41 .049694166
Random Totals: 54,442,208   53,225,041 52 831  
Catg J Exception Values: 5,063,826   5,524,899      
Catg D1 Exception Values: 2,017,044   2,104,440      
Catg A Exception Values: 1,430,490   1,400,983      
Total Test Values (4): 62,953,568   62,255,363      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,112,768

Confidence Interval Values (5)

State Lower Limit: 59,142,595 (State Test Value minus Margin of Error Percent)
Local Test Value: 62,953,568 (Within Confidence Interval)
State Upper Limit: 65,368,131 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 68,006,403 (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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