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2007 Confidence Interval Detail
102/Harrison
102-904/Hallsville ISD

Category Summary

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

Stratum
Variance
A 129,010,241 0.9502 135,771,670 32 1,521 .040110729
A 129,006,754 0.9969 129,407,919 26 972 .015475439
A 128,886,764 1.0510 122,632,506 45 697 .007290269
A 128,812,108 1.0075 127,853,209 32 434 .006940136
D3 109,294,650 0.8208 133,156,250 22 3,753 .065650246
G1 51,965,483 0.9265 56,087,947 7 119 .125890103
G1 52,736,416 1.1358 46,431,076 6 59 .051273269
G1 51,327,004 0.9935 51,662,812 6 40 .058745513
G1 51,314,777 1.2636 40,609,985 5 23 .097602675
L1 10,160,811 0.9500 10,695,591 6 89 .071431986
L1 10,060,540 1.0202 9,861,341 5 19 .003460123
L1 11,535,124 0.9991 11,545,515 4 9 .000446237
L1 8,510,666 0.9887 8,607,936 2 3 .015936472
Random Totals: 872,621,338   884,323,757 198 7,738  
Catg D1 Exception Values: 5,519,160   6,692,349      
Catg L1 Exception Values: 35,426,610   34,925,158      
Total Test Values (4): 913,567,108   925,941,264      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 46,297,063

Confidence Interval Values (5)

State Lower Limit: 879,644,201 (State Test Value minus Margin of Error Percent)
Local Test Value: 913,567,108 (Within Confidence Interval)
State Upper Limit: 972,238,327 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,537,643,180 (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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