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2009 Confidence Interval Detail
093/Grimes
093-903/Iola ISD

Category Summary

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

Stratum
Variance
A 3,925,560 1.0047 3,907,196 11 100 .008464000
A 4,411,310 0.9987 4,417,052 6 66 .002885046
A 4,107,520 0.9014 4,556,823 6 39 .004263724
A 9,220,820 0.9457 9,750,259 6 41 .001353955
C 1,749,370 0.9499 1,841,636 12 59 .006385986
C 1,769,740 0.9599 1,843,671 10 32
C 2,528,760 0.9725 2,600,267 13 40 .002612862
C 2,767,980 1.0065 2,750,104 13 31 .007887461
D3 72,606,333 0.9940 73,044,601 29 2,444 .015547929
G1 9,640,906 1.1146 8,649,655 7 33 .075107519
Random Totals: 112,728,299   113,361,264 113 2,885  
Catg J Exception Values: 6,897,710   7,058,834      
Catg D1 Exception Values: 4,482,811   4,410,131      
Catg G1 Exception Values: 4,538,944   4,705,518      
Total Test Values (4): 128,647,764   129,535,747      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,476,787

Confidence Interval Values (5)

State Lower Limit: 123,058,960 (State Test Value minus Margin of Error Percent)
Local Test Value: 128,647,764 (Within Confidence Interval)
State Upper Limit: 136,012,534 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 149,055,389 (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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