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2007 Confidence Interval Detail
093/Grimes
093-904/Navasota ISD

Category Summary

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

Stratum
Variance
A 63,141,610 0.9617 65,656,244 15 1,379 .033023253
A 63,054,346 0.9550 66,025,493 10 757 .008065172
A 63,104,192 0.9800 64,392,033 18 507 .018773632
A 63,083,488 0.9538 66,139,115 8 308 .002913663
D3 208,611,660 1.0140 205,731,420 26 5,427 .039932653
F1 13,743,858 0.9610 14,301,621 7 184 .001810257
F1 13,954,532 0.8569 16,284,901 6 55 .017976149
F1 13,948,140 0.9661 14,437,574 5 24 .003036064
F1 13,253,020 0.9207 14,394,504 5 8 .007312386
G1 16,474,496 1.0378 15,874,442 6 46 .011606546
G1 16,397,181 1.0549 15,543,825 5 20 .001939212
G1 16,534,012 1.0032 16,481,272 5 13 .004287566
G1 14,977,666 0.9998 14,980,662 3 6 .000309717
L1 11,449,036 0.8449 13,550,759 9 238 .333533340
L1 11,533,067 0.7903 14,593,277 6 48 .323334934
L1 22,652,310 0.9772 23,180,833 5 11 .001598585
Random Totals: 625,912,614   641,567,975 139 9,031  
Catg J Exception Values: 47,267,231   45,865,359      
Catg D1 Exception Values: 18,618,041   18,521,979      
Total Test Values (4): 691,797,886   705,955,313      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,297,766

Confidence Interval Values (5)

State Lower Limit: 670,657,547 (State Test Value minus Margin of Error Percent)
Local Test Value: 691,797,886 (Within Confidence Interval)
State Upper Limit: 741,253,079 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 993,228,569 (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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