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2007 Confidence Interval Detail
198/Robertson
198-905/Hearne ISD

Category Summary

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

Stratum
Variance
A 15,325,709 0.7620 20,112,479 10 704 .227573570
A 15,292,346 0.6593 23,194,822 7 391 .049259535
A 15,287,508 0.6303 24,254,336 9 262 .177562717
A 15,275,475 0.8074 18,919,340 9 163 .152422554
D3 26,173,980 0.8600 30,434,860 19 1,701 .065401355
F1 3,898,641 0.9127 4,271,547 9 91 .037505224
F1 3,817,186 0.8327 4,584,107 6 32 .056613574
F1 4,037,371 0.8274 4,879,588 4 12 .095171418
F1 3,568,303 0.5416 6,588,447 2 3 .108973474
G1 18,175,995 0.9795 18,556,401 5 22 .001486179
G1 18,397,752 0.9740 18,888,862 4 12 .000670795
G1 18,916,381 1.0474 18,060,322 4 8 .012263953
G1 14,803,052 0.9772 15,148,436 2 3 .000051943
Random Totals: 172,969,699   207,893,547 90 3,404  
Catg J Exception Values: 23,036,368   22,659,043      
Catg D1 Exception Values: 6,025,240   6,486,756      
Catg G1 Exception Values: 21,075,586   22,955,400      
Total Test Values (4): 223,106,893   259,994,746      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,999,737

Confidence Interval Values (5)

Local Test Value: 223,106,893 (Outside Confidence Interval)
State Lower Limit: 246,995,009 (State Test Value minus Margin of Error Percent)
State Upper Limit: 272,994,483 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 282,244,574 (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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