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2006 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 55,469,666 0.9610 57,720,776 19 1,386 .054186621
A 55,437,476 0.9885 56,082,424 14 755 .012248994
A 55,444,693 0.9706 57,124,143 29 502 .005401694
A 55,323,148 0.9724 56,893,406 16 298 .008145289
D3 180,495,839 0.9373 192,569,977 32 5,501 .029103137
F1 12,455,217 0.9230 13,494,276 7 185 .003503773
F1 12,249,285 1.0071 12,162,928 6 54 .002232453
F1 12,647,606 0.9170 13,792,373 5 23 .017990295
F1 12,037,354 0.9812 12,267,992 6 9 .005959511
G1 17,042,991 1.0001 17,041,287 6 48 .017554891
G1 17,721,403 1.0015 17,694,861 5 21 .017637533
G1 17,387,979 1.0529 16,514,369 4 10 .005856163
G1 15,774,086 1.0427 15,128,115 3 4 .018164347
L1 10,066,811 0.8708 11,560,417 7 272 .117505352
L1 10,349,728 1.1094 9,329,122 6 57 .123515117
L1 10,482,617 0.8946 11,717,658 4 12 .044011429
L1 9,222,060 0.9980 9,240,541 2 3 .002892282
Random Totals: 559,607,959   580,334,665 171 9,140  
Catg J Exception Values: 44,143,773   43,111,624      
Catg D1 Exception Values: 18,852,780   19,079,974      
Total Test Values (4): 622,604,512   642,526,263      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,126,313

Confidence Interval Values (5)

State Lower Limit: 610,399,950 (State Test Value minus Margin of Error Percent)
Local Test Value: 622,604,512 (Within Confidence Interval)
State Upper Limit: 674,652,576 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 853,223,829 (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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