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2012 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 67,253,716 0.9844 68,319,500 11 1,361 .016345833
A 67,885,085 0.9528 71,247,990 10 745 .012041283
A 68,929,940 0.9775 70,516,563 14 502 .009617544
A 71,415,820 1.0112 70,624,822 10 299 .015670798
C 9,620,094 0.9668 9,950,449 10 2,213 .033121078
C 12,197,490 0.9648 12,642,506 11 704 .005922431
C 6,960,530 0.9981 6,973,780 10 231 .012467951
C 8,178,600 1.0181 8,033,199 9 138 .003659778
D3 223,877,436 0.9801 228,423,055 17 5,850 .010106841
F1 17,865,420 1.0378 17,214,704 11 197 .005979527
F1 16,310,885 0.9699 16,817,079 9 46 .003485476
F1 21,423,210 0.9478 22,603,091 8 25 .025167508
F1 15,278,038 1.0145 15,059,673 4 5 .044660489
L1 10,681,676 0.9118 11,714,933 11 213 .039139947
L1 10,229,057 1.0319 9,912,837 8 36 .009841176
L1 11,503,080 1.0195 11,283,060 5 10 .001645888
Random Totals: 639,610,077   651,337,241 158 12,575  
Catg J Exception Values: 26,607,145   26,161,532      
Catg D1 Exception Values: 11,067,050   11,506,624      
Catg L1 Exception Values: 2,764,256   2,775,403      
Total Test Values (4): 680,048,528   691,780,800      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,589,040

Confidence Interval Values (5)

State Lower Limit: 657,191,760 (State Test Value minus Margin of Error Percent)
Local Test Value: 680,048,528 (Within Confidence Interval)
State Upper Limit: 726,369,840 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,337,386,504 (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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